20188974720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{2521}}^1$

素因数の和:2683

約数の個数: 256

約数和(自身を含む): 66554167680

約数和(自身を除く): 46365192960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 97, 120, 128, 129, 160, 172, 192, 194, 215, 240, 258, 291, 320, 344, 384, 388, 430, 480, 485, 516, 582, 640, 645, 688, 776, 860, 960, 970, 1032, 1164, 1290, 1376, 1455, 1552, 1720, 1920, 1940, 2064, 2328, 2521, 2580, 2752, 2910, 3104, 3440, 3880, 4128, 4171, 4656, 5042, 5160, 5504, 5820, 6208, 6880, 7563, 7760, 8256, 8342, 9312, 10084, 10320, 11640, 12416, 12513, 12605, 13760, 15126, 15520, 16512, 16684, 18624, 20168, 20640, 20855, 23280, 25026, 25210, 27520, 30252, 31040, 33368, 37248, 37815, 40336, 41280, 41710, 46560, 50052, 50420, 60504, 62080, 62565, 66736, 75630, 80672, 82560, 83420, 93120, 100104, 100840, 108403, 121008, 125130, 133472, 151260, 161344, 166840, 186240, 200208, 201680, 216806, 242016, 244537, 250260, 266944, 302520, 322688, 325209, 333680, 400416, 403360, 433612, 484032, 489074, 500520, 533888, 542015, 605040, 650418, 667360, 733611, 800832, 806720, 867224, 968064, 978148, 1001040, 1084030, 1210080, 1222685, 1300836, 1334720, 1467222, 1601664, 1613440, 1626045, 1734448, 1956296, 2002080, 2168060, 2420160, 2445370, 2601672, 2669440, 2934444, 3252090, 3468896, 3668055, 3912592, 4004160, 4336120, 4840320, 4890740, 5203344, 5868888, 6504180, 6937792, 7336110, 7825184, 8008320, 8672240, 9781480, 10406688, 10515091, 11737776, 13008360, 13875584, 14672220, 15650368, 17344480, 19562960, 20813376, 21030182, 23475552, 26016720, 29344440, 31300736, 31545273, 34688960, 39125920, 41626752, 42060364, 46951104, 52033440, 52575455, 58688880, 63090546, 69377920, 78251840, 84120728, 93902208, 104066880, 105150910, 117377760, 126181092, 156503680, 157726365, 168241456, 208133760, 210301820, 234755520, 252362184, 315452730, 336482912, 420603640, 469511040, 504724368, 630905460, 672965824, 841207280, 1009448736, 1261810920, 1345931648, 1682414560, 2018897472, 2523621840, 3364829120, 4037794944, 5047243680, 6729658240, 10094487360, 20188974720]

約数ペア:

[(1, 20188974720), (2, 10094487360), (3, 6729658240), (4, 5047243680), (5, 4037794944), (6, 3364829120), (8, 2523621840), (10, 2018897472), (12, 1682414560), (15, 1345931648), (16, 1261810920), (20, 1009448736), (24, 841207280), (30, 672965824), (32, 630905460), (40, 504724368), (43, 469511040), (48, 420603640), (60, 336482912), (64, 315452730), (80, 252362184), (86, 234755520), (96, 210301820), (97, 208133760), (120, 168241456), (128, 157726365), (129, 156503680), (160, 126181092), (172, 117377760), (192, 105150910), (194, 104066880), (215, 93902208), (240, 84120728), (258, 78251840), (291, 69377920), (320, 63090546), (344, 58688880), (384, 52575455), (388, 52033440), (430, 46951104), (480, 42060364), (485, 41626752), (516, 39125920), (582, 34688960), (640, 31545273), (645, 31300736), (688, 29344440), (776, 26016720), (860, 23475552), (960, 21030182), (970, 20813376), (1032, 19562960), (1164, 17344480), (1290, 15650368), (1376, 14672220), (1455, 13875584), (1552, 13008360), (1720, 11737776), (1920, 10515091), (1940, 10406688), (2064, 9781480), (2328, 8672240), (2521, 8008320), (2580, 7825184), (2752, 7336110), (2910, 6937792), (3104, 6504180), (3440, 5868888), (3880, 5203344), (4128, 4890740), (4171, 4840320), (4656, 4336120), (5042, 4004160), (5160, 3912592), (5504, 3668055), (5820, 3468896), (6208, 3252090), (6880, 2934444), (7563, 2669440), (7760, 2601672), (8256, 2445370), (8342, 2420160), (9312, 2168060), (10084, 2002080), (10320, 1956296), (11640, 1734448), (12416, 1626045), (12513, 1613440), (12605, 1601664), (13760, 1467222), (15126, 1334720), (15520, 1300836), (16512, 1222685), (16684, 1210080), (18624, 1084030), (20168, 1001040), (20640, 978148), (20855, 968064), (23280, 867224), (25026, 806720), (25210, 800832), (27520, 733611), (30252, 667360), (31040, 650418), (33368, 605040), (37248, 542015), (37815, 533888), (40336, 500520), (41280, 489074), (41710, 484032), (46560, 433612), (50052, 403360), (50420, 400416), (60504, 333680), (62080, 325209), (62565, 322688), (66736, 302520), (75630, 266944), (80672, 250260), (82560, 244537), (83420, 242016), (93120, 216806), (100104, 201680), (100840, 200208), (108403, 186240), (121008, 166840), (125130, 161344), (133472, 151260)]