2581209540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4259}}^1$

素因数の和:4331

約数の個数: 288

約数和(自身を含む): 9899285760

約数和(自身を除く): 7318076220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 37, 39, 42, 45, 52, 60, 63, 65, 70, 74, 78, 84, 90, 91, 105, 111, 117, 126, 130, 140, 148, 156, 180, 182, 185, 195, 210, 222, 234, 252, 259, 260, 273, 315, 333, 364, 370, 390, 420, 444, 455, 468, 481, 518, 546, 555, 585, 630, 666, 740, 777, 780, 819, 910, 962, 1036, 1092, 1110, 1170, 1260, 1295, 1332, 1365, 1443, 1554, 1638, 1665, 1820, 1924, 2220, 2331, 2340, 2405, 2590, 2730, 2886, 3108, 3276, 3330, 3367, 3885, 4095, 4259, 4329, 4662, 4810, 5180, 5460, 5772, 6660, 6734, 7215, 7770, 8190, 8518, 8658, 9324, 9620, 10101, 11655, 12777, 13468, 14430, 15540, 16380, 16835, 17036, 17316, 20202, 21295, 21645, 23310, 25554, 28860, 29813, 30303, 33670, 38331, 40404, 42590, 43290, 46620, 50505, 51108, 55367, 59626, 60606, 63885, 67340, 76662, 85180, 86580, 89439, 101010, 110734, 119252, 121212, 127770, 149065, 151515, 153324, 157583, 166101, 178878, 191655, 202020, 221468, 255540, 268317, 276835, 298130, 303030, 315166, 332202, 357756, 383310, 387569, 447195, 472749, 498303, 536634, 553670, 596260, 606060, 630332, 664404, 766620, 775138, 787915, 830505, 894390, 945498, 996606, 1073268, 1103081, 1107340, 1162707, 1341585, 1418247, 1550276, 1575830, 1661010, 1788780, 1890996, 1937845, 1993212, 2048579, 2206162, 2325414, 2363745, 2491515, 2683170, 2836494, 3151660, 3309243, 3322020, 3488121, 3875690, 4097158, 4412324, 4650828, 4727490, 4983030, 5366340, 5515405, 5672988, 5813535, 6145737, 6618486, 6976242, 7091235, 7751380, 8194316, 9454980, 9927729, 9966060, 10242895, 11030810, 11627070, 12291474, 13236972, 13952484, 14182470, 14340053, 16546215, 17440605, 18437211, 19855458, 20485790, 22061620, 23254140, 24582948, 28364940, 28680106, 30728685, 33092430, 34881210, 36874422, 39710916, 40971580, 43020159, 49638645, 57360212, 61457370, 66184860, 69762420, 71700265, 73748844, 86040318, 92186055, 99277290, 122914740, 129060477, 143400530, 172080636, 184372110, 198554580, 215100795, 258120954, 286801060, 368744220, 430201590, 516241908, 645302385, 860403180, 1290604770, 2581209540]

約数ペア:

[(1, 2581209540), (2, 1290604770), (3, 860403180), (4, 645302385), (5, 516241908), (6, 430201590), (7, 368744220), (9, 286801060), (10, 258120954), (12, 215100795), (13, 198554580), (14, 184372110), (15, 172080636), (18, 143400530), (20, 129060477), (21, 122914740), (26, 99277290), (28, 92186055), (30, 86040318), (35, 73748844), (36, 71700265), (37, 69762420), (39, 66184860), (42, 61457370), (45, 57360212), (52, 49638645), (60, 43020159), (63, 40971580), (65, 39710916), (70, 36874422), (74, 34881210), (78, 33092430), (84, 30728685), (90, 28680106), (91, 28364940), (105, 24582948), (111, 23254140), (117, 22061620), (126, 20485790), (130, 19855458), (140, 18437211), (148, 17440605), (156, 16546215), (180, 14340053), (182, 14182470), (185, 13952484), (195, 13236972), (210, 12291474), (222, 11627070), (234, 11030810), (252, 10242895), (259, 9966060), (260, 9927729), (273, 9454980), (315, 8194316), (333, 7751380), (364, 7091235), (370, 6976242), (390, 6618486), (420, 6145737), (444, 5813535), (455, 5672988), (468, 5515405), (481, 5366340), (518, 4983030), (546, 4727490), (555, 4650828), (585, 4412324), (630, 4097158), (666, 3875690), (740, 3488121), (777, 3322020), (780, 3309243), (819, 3151660), (910, 2836494), (962, 2683170), (1036, 2491515), (1092, 2363745), (1110, 2325414), (1170, 2206162), (1260, 2048579), (1295, 1993212), (1332, 1937845), (1365, 1890996), (1443, 1788780), (1554, 1661010), (1638, 1575830), (1665, 1550276), (1820, 1418247), (1924, 1341585), (2220, 1162707), (2331, 1107340), (2340, 1103081), (2405, 1073268), (2590, 996606), (2730, 945498), (2886, 894390), (3108, 830505), (3276, 787915), (3330, 775138), (3367, 766620), (3885, 664404), (4095, 630332), (4259, 606060), (4329, 596260), (4662, 553670), (4810, 536634), (5180, 498303), (5460, 472749), (5772, 447195), (6660, 387569), (6734, 383310), (7215, 357756), (7770, 332202), (8190, 315166), (8518, 303030), (8658, 298130), (9324, 276835), (9620, 268317), (10101, 255540), (11655, 221468), (12777, 202020), (13468, 191655), (14430, 178878), (15540, 166101), (16380, 157583), (16835, 153324), (17036, 151515), (17316, 149065), (20202, 127770), (21295, 121212), (21645, 119252), (23310, 110734), (25554, 101010), (28860, 89439), (29813, 86580), (30303, 85180), (33670, 76662), (38331, 67340), (40404, 63885), (42590, 60606), (43290, 59626), (46620, 55367), (50505, 51108)]