685545560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 1825528320

約数和(自身を除く): 1139982760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 97, 140, 172, 194, 215, 280, 301, 344, 388, 430, 485, 587, 602, 679, 776, 860, 970, 1174, 1204, 1358, 1505, 1720, 1940, 2348, 2408, 2716, 2935, 3010, 3395, 3880, 4109, 4171, 4696, 5432, 5870, 6020, 6790, 8218, 8342, 11740, 12040, 13580, 16436, 16684, 20545, 20855, 23480, 25241, 27160, 29197, 32872, 33368, 41090, 41710, 50482, 56939, 58394, 82180, 83420, 100964, 113878, 116788, 126205, 145985, 164360, 166840, 176687, 201928, 227756, 233576, 252410, 284695, 291970, 353374, 398573, 455512, 504820, 569390, 583940, 706748, 797146, 883435, 1009640, 1138780, 1167880, 1413496, 1594292, 1766870, 1992865, 2277560, 2448377, 3188584, 3533740, 3985730, 4896754, 7067480, 7971460, 9793508, 12241885, 15942920, 17138639, 19587016, 24483770, 34277278, 48967540, 68554556, 85693195, 97935080, 137109112, 171386390, 342772780, 685545560]

約数ペア:

[(1, 685545560), (2, 342772780), (4, 171386390), (5, 137109112), (7, 97935080), (8, 85693195), (10, 68554556), (14, 48967540), (20, 34277278), (28, 24483770), (35, 19587016), (40, 17138639), (43, 15942920), (56, 12241885), (70, 9793508), (86, 7971460), (97, 7067480), (140, 4896754), (172, 3985730), (194, 3533740), (215, 3188584), (280, 2448377), (301, 2277560), (344, 1992865), (388, 1766870), (430, 1594292), (485, 1413496), (587, 1167880), (602, 1138780), (679, 1009640), (776, 883435), (860, 797146), (970, 706748), (1174, 583940), (1204, 569390), (1358, 504820), (1505, 455512), (1720, 398573), (1940, 353374), (2348, 291970), (2408, 284695), (2716, 252410), (2935, 233576), (3010, 227756), (3395, 201928), (3880, 176687), (4109, 166840), (4171, 164360), (4696, 145985), (5432, 126205), (5870, 116788), (6020, 113878), (6790, 100964), (8218, 83420), (8342, 82180), (11740, 58394), (12040, 56939), (13580, 50482), (16436, 41710), (16684, 41090), (20545, 33368), (20855, 32872), (23480, 29197), (25241, 27160)]