261577680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 480

約数和(自身を含む): 1068681600

約数和(自身を除く): 807103920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 48, 49, 52, 56, 58, 59, 60, 65, 70, 78, 80, 84, 87, 91, 98, 104, 105, 112, 116, 118, 120, 130, 140, 145, 147, 156, 168, 174, 177, 182, 195, 196, 203, 208, 210, 232, 236, 240, 245, 260, 273, 280, 290, 294, 295, 312, 336, 348, 354, 364, 377, 390, 392, 406, 413, 420, 435, 455, 464, 472, 490, 520, 546, 560, 580, 588, 590, 609, 624, 637, 696, 708, 728, 735, 754, 767, 780, 784, 812, 826, 840, 870, 885, 910, 944, 980, 1015, 1040, 1092, 1131, 1160, 1176, 1180, 1218, 1239, 1274, 1365, 1392, 1416, 1421, 1456, 1470, 1508, 1534, 1560, 1624, 1652, 1680, 1711, 1740, 1770, 1820, 1885, 1911, 1960, 2030, 2065, 2184, 2262, 2301, 2320, 2352, 2360, 2436, 2478, 2548, 2639, 2730, 2832, 2842, 2891, 2940, 3016, 3045, 3068, 3120, 3185, 3248, 3304, 3422, 3480, 3540, 3640, 3770, 3822, 3835, 3920, 4060, 4130, 4263, 4368, 4524, 4602, 4720, 4872, 4956, 5096, 5133, 5278, 5369, 5460, 5655, 5684, 5782, 5880, 6032, 6090, 6136, 6195, 6370, 6608, 6844, 6960, 7080, 7105, 7280, 7540, 7644, 7670, 7917, 8120, 8260, 8526, 8555, 8673, 9048, 9204, 9555, 9744, 9912, 10192, 10266, 10556, 10738, 10920, 11310, 11368, 11505, 11564, 11760, 11977, 12180, 12272, 12390, 12740, 13195, 13688, 14160, 14210, 14455, 15080, 15288, 15340, 15834, 16107, 16240, 16520, 17052, 17110, 17346, 18096, 18408, 18473, 19110, 19824, 20532, 21112, 21315, 21476, 21840, 22243, 22620, 22736, 23010, 23128, 23954, 24360, 24780, 25480, 25665, 26390, 26845, 27376, 28420, 28910, 30160, 30576, 30680, 31668, 32214, 33040, 34104, 34220, 34692, 35931, 36816, 36946, 37583, 38220, 39585, 41064, 42224, 42630, 42952, 43365, 44486, 45240, 46020, 46256, 47908, 48720, 49560, 50960, 51330, 52780, 53690, 55419, 56840, 57820, 59885, 61360, 63336, 64428, 66729, 68208, 68440, 69384, 71862, 73892, 75166, 76440, 79170, 80535, 82128, 83839, 85260, 85904, 86730, 88972, 90480, 92040, 92365, 95816, 99120, 102660, 105560, 107380, 110838, 111215, 112749, 113680, 115640, 119770, 126672, 128856, 133458, 136880, 138768, 143724, 147784, 150332, 152880, 155701, 158340, 161070, 167678, 170520, 173460, 177944, 179655, 184080, 184730, 187915, 191632, 205320, 211120, 214760, 221676, 222430, 225498, 231280, 239540, 251517, 257712, 266916, 277095, 287448, 295568, 300664, 311402, 316680, 322140, 333645, 335356, 341040, 346920, 355888, 359310, 369460, 375830, 410640, 419195, 429520, 443352, 444860, 450996, 467103, 479080, 503034, 533832, 554190, 563745, 574896, 601328, 622804, 633360, 644280, 667290, 670712, 693840, 718620, 738920, 751660, 778505, 838390, 886704, 889720, 901992, 934206, 958160, 1006068, 1067664, 1089907, 1108380, 1127490, 1245608, 1257585, 1288560, 1334580, 1341424, 1437240, 1477840, 1503320, 1557010, 1676780, 1779440, 1803984, 1868412, 2012136, 2179814, 2216760, 2254980, 2335515, 2491216, 2515170, 2669160, 2874480, 3006640, 3114020, 3269721, 3353560, 3736824, 4024272, 4359628, 4433520, 4509960, 4671030, 5030340, 5338320, 5449535, 6228040, 6539442, 6707120, 7473648, 8719256, 9019920, 9342060, 10060680, 10899070, 12456080, 13078884, 16348605, 17438512, 18684120, 20121360, 21798140, 26157768, 32697210, 37368240, 43596280, 52315536, 65394420, 87192560, 130788840, 261577680]

約数ペア:

[(1, 261577680), (2, 130788840), (3, 87192560), (4, 65394420), (5, 52315536), (6, 43596280), (7, 37368240), (8, 32697210), (10, 26157768), (12, 21798140), (13, 20121360), (14, 18684120), (15, 17438512), (16, 16348605), (20, 13078884), (21, 12456080), (24, 10899070), (26, 10060680), (28, 9342060), (29, 9019920), (30, 8719256), (35, 7473648), (39, 6707120), (40, 6539442), (42, 6228040), (48, 5449535), (49, 5338320), (52, 5030340), (56, 4671030), (58, 4509960), (59, 4433520), (60, 4359628), (65, 4024272), (70, 3736824), (78, 3353560), (80, 3269721), (84, 3114020), (87, 3006640), (91, 2874480), (98, 2669160), (104, 2515170), (105, 2491216), (112, 2335515), (116, 2254980), (118, 2216760), (120, 2179814), (130, 2012136), (140, 1868412), (145, 1803984), (147, 1779440), (156, 1676780), (168, 1557010), (174, 1503320), (177, 1477840), (182, 1437240), (195, 1341424), (196, 1334580), (203, 1288560), (208, 1257585), (210, 1245608), (232, 1127490), (236, 1108380), (240, 1089907), (245, 1067664), (260, 1006068), (273, 958160), (280, 934206), (290, 901992), (294, 889720), (295, 886704), (312, 838390), (336, 778505), (348, 751660), (354, 738920), (364, 718620), (377, 693840), (390, 670712), (392, 667290), (406, 644280), (413, 633360), (420, 622804), (435, 601328), (455, 574896), (464, 563745), (472, 554190), (490, 533832), (520, 503034), (546, 479080), (560, 467103), (580, 450996), (588, 444860), (590, 443352), (609, 429520), (624, 419195), (637, 410640), (696, 375830), (708, 369460), (728, 359310), (735, 355888), (754, 346920), (767, 341040), (780, 335356), (784, 333645), (812, 322140), (826, 316680), (840, 311402), (870, 300664), (885, 295568), (910, 287448), (944, 277095), (980, 266916), (1015, 257712), (1040, 251517), (1092, 239540), (1131, 231280), (1160, 225498), (1176, 222430), (1180, 221676), (1218, 214760), (1239, 211120), (1274, 205320), (1365, 191632), (1392, 187915), (1416, 184730), (1421, 184080), (1456, 179655), (1470, 177944), (1508, 173460), (1534, 170520), (1560, 167678), (1624, 161070), (1652, 158340), (1680, 155701), (1711, 152880), (1740, 150332), (1770, 147784), (1820, 143724), (1885, 138768), (1911, 136880), (1960, 133458), (2030, 128856), (2065, 126672), (2184, 119770), (2262, 115640), (2301, 113680), (2320, 112749), (2352, 111215), (2360, 110838), (2436, 107380), (2478, 105560), (2548, 102660), (2639, 99120), (2730, 95816), (2832, 92365), (2842, 92040), (2891, 90480), (2940, 88972), (3016, 86730), (3045, 85904), (3068, 85260), (3120, 83839), (3185, 82128), (3248, 80535), (3304, 79170), (3422, 76440), (3480, 75166), (3540, 73892), (3640, 71862), (3770, 69384), (3822, 68440), (3835, 68208), (3920, 66729), (4060, 64428), (4130, 63336), (4263, 61360), (4368, 59885), (4524, 57820), (4602, 56840), (4720, 55419), (4872, 53690), (4956, 52780), (5096, 51330), (5133, 50960), (5278, 49560), (5369, 48720), (5460, 47908), (5655, 46256), (5684, 46020), (5782, 45240), (5880, 44486), (6032, 43365), (6090, 42952), (6136, 42630), (6195, 42224), (6370, 41064), (6608, 39585), (6844, 38220), (6960, 37583), (7080, 36946), (7105, 36816), (7280, 35931), (7540, 34692), (7644, 34220), (7670, 34104), (7917, 33040), (8120, 32214), (8260, 31668), (8526, 30680), (8555, 30576), (8673, 30160), (9048, 28910), (9204, 28420), (9555, 27376), (9744, 26845), (9912, 26390), (10192, 25665), (10266, 25480), (10556, 24780), (10738, 24360), (10920, 23954), (11310, 23128), (11368, 23010), (11505, 22736), (11564, 22620), (11760, 22243), (11977, 21840), (12180, 21476), (12272, 21315), (12390, 21112), (12740, 20532), (13195, 19824), (13688, 19110), (14160, 18473), (14210, 18408), (14455, 18096), (15080, 17346), (15288, 17110), (15340, 17052), (15834, 16520), (16107, 16240)]