1296195880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{577}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 3415841280

約数和(自身を除く): 2119645400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 113, 140, 142, 226, 280, 284, 355, 452, 497, 565, 568, 577, 710, 791, 904, 994, 1130, 1154, 1420, 1582, 1988, 2260, 2308, 2485, 2840, 2885, 3164, 3955, 3976, 4039, 4520, 4616, 4970, 5770, 6328, 7910, 8023, 8078, 9940, 11540, 15820, 16046, 16156, 19880, 20195, 23080, 31640, 32092, 32312, 40115, 40390, 40967, 56161, 64184, 65201, 80230, 80780, 81934, 112322, 130402, 160460, 161560, 163868, 204835, 224644, 260804, 280805, 286769, 320920, 326005, 327736, 409670, 449288, 456407, 521608, 561610, 573538, 652010, 819340, 912814, 1123220, 1147076, 1304020, 1433845, 1638680, 1825628, 2246440, 2282035, 2294152, 2608040, 2867690, 3651256, 4564070, 4629271, 5735380, 9128140, 9258542, 11470760, 18256280, 18517084, 23146355, 32404897, 37034168, 46292710, 64809794, 92585420, 129619588, 162024485, 185170840, 259239176, 324048970, 648097940, 1296195880]

約数ペア:

[(1, 1296195880), (2, 648097940), (4, 324048970), (5, 259239176), (7, 185170840), (8, 162024485), (10, 129619588), (14, 92585420), (20, 64809794), (28, 46292710), (35, 37034168), (40, 32404897), (56, 23146355), (70, 18517084), (71, 18256280), (113, 11470760), (140, 9258542), (142, 9128140), (226, 5735380), (280, 4629271), (284, 4564070), (355, 3651256), (452, 2867690), (497, 2608040), (565, 2294152), (568, 2282035), (577, 2246440), (710, 1825628), (791, 1638680), (904, 1433845), (994, 1304020), (1130, 1147076), (1154, 1123220), (1420, 912814), (1582, 819340), (1988, 652010), (2260, 573538), (2308, 561610), (2485, 521608), (2840, 456407), (2885, 449288), (3164, 409670), (3955, 327736), (3976, 326005), (4039, 320920), (4520, 286769), (4616, 280805), (4970, 260804), (5770, 224644), (6328, 204835), (7910, 163868), (8023, 161560), (8078, 160460), (9940, 130402), (11540, 112322), (15820, 81934), (16046, 80780), (16156, 80230), (19880, 65201), (20195, 64184), (23080, 56161), (31640, 40967), (32092, 40390), (32312, 40115)]