1880609640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{172217}}^1$

素因数の和:172251

約数の個数: 128

約数和(自身を含む): 6943829760

約数和(自身を除く): 5063220120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 172217, 344434, 516651, 688868, 861085, 1033302, 1205519, 1377736, 1722170, 2066604, 2238821, 2411038, 2583255, 3444340, 3616557, 4133208, 4477642, 4822076, 5166510, 6027595, 6716463, 6888680, 7233114, 8955284, 9644152, 10333020, 11194105, 12055190, 13432926, 14466228, 15671747, 17910568, 18082785, 20666040, 22388210, 24110380, 26865852, 28932456, 31343494, 33582315, 36165570, 44776420, 47015241, 48220760, 53731704, 62686988, 67164630, 72331140, 78358735, 89552840, 94030482, 125373976, 134329260, 144662280, 156717470, 188060964, 235076205, 268658520, 313434940, 376121928, 470152410, 626869880, 940304820, 1880609640]

約数ペア:

[(1, 1880609640), (2, 940304820), (3, 626869880), (4, 470152410), (5, 376121928), (6, 313434940), (7, 268658520), (8, 235076205), (10, 188060964), (12, 156717470), (13, 144662280), (14, 134329260), (15, 125373976), (20, 94030482), (21, 89552840), (24, 78358735), (26, 72331140), (28, 67164630), (30, 62686988), (35, 53731704), (39, 48220760), (40, 47015241), (42, 44776420), (52, 36165570), (56, 33582315), (60, 31343494), (65, 28932456), (70, 26865852), (78, 24110380), (84, 22388210), (91, 20666040), (104, 18082785), (105, 17910568), (120, 15671747), (130, 14466228), (140, 13432926), (156, 12055190), (168, 11194105), (182, 10333020), (195, 9644152), (210, 8955284), (260, 7233114), (273, 6888680), (280, 6716463), (312, 6027595), (364, 5166510), (390, 4822076), (420, 4477642), (455, 4133208), (520, 3616557), (546, 3444340), (728, 2583255), (780, 2411038), (840, 2238821), (910, 2066604), (1092, 1722170), (1365, 1377736), (1560, 1205519), (1820, 1033302), (2184, 861085), (2730, 688868), (3640, 516651), (5460, 344434), (10920, 172217)]