681319240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1583

約数の個数: 128

約数和(自身を含む): 1843845120

約数和(自身を除く): 1162525880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 53, 56, 62, 70, 106, 124, 140, 155, 212, 217, 248, 265, 280, 310, 371, 424, 434, 530, 620, 742, 868, 1060, 1085, 1240, 1481, 1484, 1643, 1736, 1855, 2120, 2170, 2962, 2968, 3286, 3710, 4340, 5924, 6572, 7405, 7420, 8215, 8680, 10367, 11501, 11848, 13144, 14810, 14840, 16430, 20734, 23002, 29620, 32860, 41468, 45911, 46004, 51835, 57505, 59240, 65720, 78493, 82936, 91822, 92008, 103670, 115010, 156986, 183644, 207340, 229555, 230020, 313972, 321377, 367288, 392465, 414680, 459110, 460040, 549451, 627944, 642754, 784930, 918220, 1098902, 1285508, 1569860, 1606885, 1836440, 2197804, 2433283, 2571016, 2747255, 3139720, 3213770, 4395608, 4866566, 5494510, 6427540, 9733132, 10989020, 12166415, 12855080, 17032981, 19466264, 21978040, 24332830, 34065962, 48665660, 68131924, 85164905, 97331320, 136263848, 170329810, 340659620, 681319240]

約数ペア:

[(1, 681319240), (2, 340659620), (4, 170329810), (5, 136263848), (7, 97331320), (8, 85164905), (10, 68131924), (14, 48665660), (20, 34065962), (28, 24332830), (31, 21978040), (35, 19466264), (40, 17032981), (53, 12855080), (56, 12166415), (62, 10989020), (70, 9733132), (106, 6427540), (124, 5494510), (140, 4866566), (155, 4395608), (212, 3213770), (217, 3139720), (248, 2747255), (265, 2571016), (280, 2433283), (310, 2197804), (371, 1836440), (424, 1606885), (434, 1569860), (530, 1285508), (620, 1098902), (742, 918220), (868, 784930), (1060, 642754), (1085, 627944), (1240, 549451), (1481, 460040), (1484, 459110), (1643, 414680), (1736, 392465), (1855, 367288), (2120, 321377), (2170, 313972), (2962, 230020), (2968, 229555), (3286, 207340), (3710, 183644), (4340, 156986), (5924, 115010), (6572, 103670), (7405, 92008), (7420, 91822), (8215, 82936), (8680, 78493), (10367, 65720), (11501, 59240), (11848, 57505), (13144, 51835), (14810, 46004), (14840, 45911), (16430, 41468), (20734, 32860), (23002, 29620)]