20641144160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 576

約数和(自身を含む): 64865525760

約数和(自身を除く): 44224381600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 47, 49, 52, 56, 62, 65, 70, 80, 91, 94, 98, 104, 112, 124, 130, 139, 140, 155, 160, 182, 188, 196, 208, 217, 224, 235, 245, 248, 260, 278, 280, 310, 329, 364, 376, 392, 403, 416, 434, 455, 470, 490, 496, 520, 556, 560, 611, 620, 637, 658, 695, 728, 752, 784, 806, 868, 910, 940, 973, 980, 992, 1040, 1085, 1112, 1120, 1222, 1240, 1274, 1316, 1390, 1456, 1457, 1504, 1519, 1568, 1612, 1645, 1736, 1807, 1820, 1880, 1946, 1960, 2015, 2080, 2170, 2224, 2303, 2444, 2480, 2548, 2632, 2780, 2821, 2912, 2914, 3038, 3055, 3185, 3224, 3290, 3472, 3614, 3640, 3760, 3892, 3920, 4030, 4277, 4309, 4340, 4448, 4606, 4865, 4888, 4960, 5096, 5264, 5560, 5642, 5828, 6076, 6110, 6370, 6448, 6533, 6580, 6811, 6944, 7228, 7280, 7285, 7520, 7595, 7784, 7840, 8060, 8554, 8618, 8680, 9035, 9212, 9730, 9776, 10192, 10199, 10528, 11120, 11284, 11515, 11656, 12152, 12220, 12649, 12740, 12896, 13066, 13160, 13622, 14105, 14456, 14560, 14570, 15190, 15568, 16120, 17108, 17236, 17360, 18070, 18424, 18941, 19460, 19552, 19747, 20384, 20398, 21385, 21545, 22240, 22568, 23030, 23312, 24304, 24440, 25298, 25480, 26132, 26320, 27244, 28210, 28912, 29140, 29939, 30163, 30380, 31136, 32240, 32665, 34055, 34216, 34472, 34720, 36140, 36848, 37882, 38920, 39494, 40796, 42770, 43090, 45136, 45731, 46060, 46624, 48608, 48880, 50596, 50960, 50995, 52264, 52640, 54488, 56017, 56420, 57824, 58280, 59878, 60326, 60760, 63245, 64480, 65330, 68110, 68432, 68944, 71393, 72280, 73696, 75764, 77840, 78988, 81592, 84929, 85540, 86180, 88543, 90272, 91462, 92120, 94705, 97760, 98735, 101192, 101920, 101990, 104528, 108976, 112034, 112840, 116560, 119756, 120652, 121520, 126490, 130660, 132587, 136220, 136864, 137888, 142786, 144560, 149695, 150815, 151528, 155680, 157976, 163184, 169858, 171080, 172360, 177086, 182924, 184240, 189410, 197470, 202384, 202523, 203980, 209056, 211141, 217952, 224068, 225680, 228655, 233120, 239512, 241304, 243040, 252980, 261320, 265174, 272440, 280085, 285572, 289120, 299390, 301630, 303056, 315952, 320117, 326368, 339716, 342160, 344720, 354172, 356965, 365848, 368480, 378820, 392119, 394940, 404768, 405046, 407960, 422282, 424645, 442715, 448136, 451360, 457310, 479024, 482608, 505960, 522640, 530348, 544880, 560170, 571144, 594503, 598780, 603260, 606112, 631904, 640234, 662935, 679432, 684320, 689440, 708344, 713930, 731696, 757640, 784238, 789880, 810092, 815920, 844564, 849290, 885430, 896272, 914620, 928109, 958048, 965216, 1011920, 1012615, 1045280, 1055705, 1060696, 1089760, 1120340, 1142288, 1189006, 1197560, 1206520, 1280468, 1325870, 1358864, 1416688, 1417661, 1427860, 1463392, 1515280, 1568476, 1579760, 1600585, 1620184, 1631840, 1689128, 1698580, 1770860, 1792544, 1829240, 1856218, 1960595, 2023840, 2025230, 2111410, 2121392, 2240680, 2284576, 2378012, 2395120, 2413040, 2560936, 2632799, 2651740, 2717728, 2744833, 2833376, 2835322, 2855720, 2972515, 3030560, 3136952, 3159520, 3201170, 3240368, 3378256, 3397160, 3541720, 3658480, 3712436, 3921190, 4050460, 4161521, 4222820, 4242784, 4481360, 4640545, 4756024, 4790240, 4826080, 5121872, 5265598, 5303480, 5489666, 5670644, 5711440, 5945030, 6273904, 6402340, 6480736, 6756512, 6794320, 7083440, 7088305, 7316960, 7424872, 7842380, 8100920, 8323042, 8445640, 8962720, 9281090, 9512048, 9923627, 10243744, 10531196, 10606960, 10979332, 11341288, 11422880, 11890060, 12547808, 12804680, 13163995, 13588640, 13724165, 14166880, 14176610, 14849744, 15684760, 16201840, 16646084, 16891280, 18429593, 18562180, 19024096, 19847254, 20807605, 21062392, 21213920, 21958664, 22682576, 23780120, 25609360, 26327990, 27448330, 28353220, 29699488, 31369520, 32403680, 33292168, 33782560, 36859186, 37124360, 39694508, 41615210, 42124784, 43917328, 45365152, 47560240, 49618135, 51218720, 52655980, 54896660, 56706440, 62739040, 66584336, 73718372, 74248720, 79389016, 83230420, 84249568, 87834656, 92147965, 95120480, 99236270, 105311960, 109793320, 113412880, 129007151, 133168672, 147436744, 148497440, 158778032, 166460840, 184295930, 198472540, 210623920, 219586640, 226825760, 258014302, 294873488, 317556064, 332921680, 368591860, 396945080, 421247840, 439173280, 516028604, 589746976, 645035755, 665843360, 737183720, 793890160, 1032057208, 1290071510, 1474367440, 1587780320, 2064114416, 2580143020, 2948734880, 4128228832, 5160286040, 10320572080, 20641144160]

約数ペア:

[(1, 20641144160), (2, 10320572080), (4, 5160286040), (5, 4128228832), (7, 2948734880), (8, 2580143020), (10, 2064114416), (13, 1587780320), (14, 1474367440), (16, 1290071510), (20, 1032057208), (26, 793890160), (28, 737183720), (31, 665843360), (32, 645035755), (35, 589746976), (40, 516028604), (47, 439173280), (49, 421247840), (52, 396945080), (56, 368591860), (62, 332921680), (65, 317556064), (70, 294873488), (80, 258014302), (91, 226825760), (94, 219586640), (98, 210623920), (104, 198472540), (112, 184295930), (124, 166460840), (130, 158778032), (139, 148497440), (140, 147436744), (155, 133168672), (160, 129007151), (182, 113412880), (188, 109793320), (196, 105311960), (208, 99236270), (217, 95120480), (224, 92147965), (235, 87834656), (245, 84249568), (248, 83230420), (260, 79389016), (278, 74248720), (280, 73718372), (310, 66584336), (329, 62739040), (364, 56706440), (376, 54896660), (392, 52655980), (403, 51218720), (416, 49618135), (434, 47560240), (455, 45365152), (470, 43917328), (490, 42124784), (496, 41615210), (520, 39694508), (556, 37124360), (560, 36859186), (611, 33782560), (620, 33292168), (637, 32403680), (658, 31369520), (695, 29699488), (728, 28353220), (752, 27448330), (784, 26327990), (806, 25609360), (868, 23780120), (910, 22682576), (940, 21958664), (973, 21213920), (980, 21062392), (992, 20807605), (1040, 19847254), (1085, 19024096), (1112, 18562180), (1120, 18429593), (1222, 16891280), (1240, 16646084), (1274, 16201840), (1316, 15684760), (1390, 14849744), (1456, 14176610), (1457, 14166880), (1504, 13724165), (1519, 13588640), (1568, 13163995), (1612, 12804680), (1645, 12547808), (1736, 11890060), (1807, 11422880), (1820, 11341288), (1880, 10979332), (1946, 10606960), (1960, 10531196), (2015, 10243744), (2080, 9923627), (2170, 9512048), (2224, 9281090), (2303, 8962720), (2444, 8445640), (2480, 8323042), (2548, 8100920), (2632, 7842380), (2780, 7424872), (2821, 7316960), (2912, 7088305), (2914, 7083440), (3038, 6794320), (3055, 6756512), (3185, 6480736), (3224, 6402340), (3290, 6273904), (3472, 5945030), (3614, 5711440), (3640, 5670644), (3760, 5489666), (3892, 5303480), (3920, 5265598), (4030, 5121872), (4277, 4826080), (4309, 4790240), (4340, 4756024), (4448, 4640545), (4606, 4481360), (4865, 4242784), (4888, 4222820), (4960, 4161521), (5096, 4050460), (5264, 3921190), (5560, 3712436), (5642, 3658480), (5828, 3541720), (6076, 3397160), (6110, 3378256), (6370, 3240368), (6448, 3201170), (6533, 3159520), (6580, 3136952), (6811, 3030560), (6944, 2972515), (7228, 2855720), (7280, 2835322), (7285, 2833376), (7520, 2744833), (7595, 2717728), (7784, 2651740), (7840, 2632799), (8060, 2560936), (8554, 2413040), (8618, 2395120), (8680, 2378012), (9035, 2284576), (9212, 2240680), (9730, 2121392), (9776, 2111410), (10192, 2025230), (10199, 2023840), (10528, 1960595), (11120, 1856218), (11284, 1829240), (11515, 1792544), (11656, 1770860), (12152, 1698580), (12220, 1689128), (12649, 1631840), (12740, 1620184), (12896, 1600585), (13066, 1579760), (13160, 1568476), (13622, 1515280), (14105, 1463392), (14456, 1427860), (14560, 1417661), (14570, 1416688), (15190, 1358864), (15568, 1325870), (16120, 1280468), (17108, 1206520), (17236, 1197560), (17360, 1189006), (18070, 1142288), (18424, 1120340), (18941, 1089760), (19460, 1060696), (19552, 1055705), (19747, 1045280), (20384, 1012615), (20398, 1011920), (21385, 965216), (21545, 958048), (22240, 928109), (22568, 914620), (23030, 896272), (23312, 885430), (24304, 849290), (24440, 844564), (25298, 815920), (25480, 810092), (26132, 789880), (26320, 784238), (27244, 757640), (28210, 731696), (28912, 713930), (29140, 708344), (29939, 689440), (30163, 684320), (30380, 679432), (31136, 662935), (32240, 640234), (32665, 631904), (34055, 606112), (34216, 603260), (34472, 598780), (34720, 594503), (36140, 571144), (36848, 560170), (37882, 544880), (38920, 530348), (39494, 522640), (40796, 505960), (42770, 482608), (43090, 479024), (45136, 457310), (45731, 451360), (46060, 448136), (46624, 442715), (48608, 424645), (48880, 422282), (50596, 407960), (50960, 405046), (50995, 404768), (52264, 394940), (52640, 392119), (54488, 378820), (56017, 368480), (56420, 365848), (57824, 356965), (58280, 354172), (59878, 344720), (60326, 342160), (60760, 339716), (63245, 326368), (64480, 320117), (65330, 315952), (68110, 303056), (68432, 301630), (68944, 299390), (71393, 289120), (72280, 285572), (73696, 280085), (75764, 272440), (77840, 265174), (78988, 261320), (81592, 252980), (84929, 243040), (85540, 241304), (86180, 239512), (88543, 233120), (90272, 228655), (91462, 225680), (92120, 224068), (94705, 217952), (97760, 211141), (98735, 209056), (101192, 203980), (101920, 202523), (101990, 202384), (104528, 197470), (108976, 189410), (112034, 184240), (112840, 182924), (116560, 177086), (119756, 172360), (120652, 171080), (121520, 169858), (126490, 163184), (130660, 157976), (132587, 155680), (136220, 151528), (136864, 150815), (137888, 149695), (142786, 144560)]