80295320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:673

約数の個数: 96

約数和(自身を含む): 213490080

約数和(自身を除く): 133194760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 568, 577, 710, 980, 994, 1154, 1420, 1960, 1988, 2308, 2485, 2840, 2885, 3479, 3976, 4039, 4616, 4970, 5770, 6958, 8078, 9940, 11540, 13916, 16156, 17395, 19880, 20195, 23080, 27832, 28273, 32312, 34790, 40390, 40967, 56546, 69580, 80780, 81934, 113092, 139160, 141365, 161560, 163868, 204835, 226184, 282730, 286769, 327736, 409670, 565460, 573538, 819340, 1130920, 1147076, 1433845, 1638680, 2007383, 2294152, 2867690, 4014766, 5735380, 8029532, 10036915, 11470760, 16059064, 20073830, 40147660, 80295320]

約数ペア:

[(1, 80295320), (2, 40147660), (4, 20073830), (5, 16059064), (7, 11470760), (8, 10036915), (10, 8029532), (14, 5735380), (20, 4014766), (28, 2867690), (35, 2294152), (40, 2007383), (49, 1638680), (56, 1433845), (70, 1147076), (71, 1130920), (98, 819340), (140, 573538), (142, 565460), (196, 409670), (245, 327736), (280, 286769), (284, 282730), (355, 226184), (392, 204835), (490, 163868), (497, 161560), (568, 141365), (577, 139160), (710, 113092), (980, 81934), (994, 80780), (1154, 69580), (1420, 56546), (1960, 40967), (1988, 40390), (2308, 34790), (2485, 32312), (2840, 28273), (2885, 27832), (3479, 23080), (3976, 20195), (4039, 19880), (4616, 17395), (4970, 16156), (5770, 13916), (6958, 11540), (8078, 9940)]