1640373560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{18481}}^1$

素因数の和:18816

約数の個数: 64

約数和(自身を含む): 4231638720

約数和(自身を除く): 2591265160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 1268, 1585, 2219, 2536, 3170, 4438, 6340, 8876, 11095, 12680, 17752, 18481, 22190, 36962, 44380, 73924, 88760, 92405, 129367, 147848, 184810, 258734, 369620, 517468, 646835, 739240, 1034936, 1293670, 2587340, 5174680, 5858477, 11716954, 23433908, 29292385, 41009339, 46867816, 58584770, 82018678, 117169540, 164037356, 205046695, 234339080, 328074712, 410093390, 820186780, 1640373560]

約数ペア:

[(1, 1640373560), (2, 820186780), (4, 410093390), (5, 328074712), (7, 234339080), (8, 205046695), (10, 164037356), (14, 117169540), (20, 82018678), (28, 58584770), (35, 46867816), (40, 41009339), (56, 29292385), (70, 23433908), (140, 11716954), (280, 5858477), (317, 5174680), (634, 2587340), (1268, 1293670), (1585, 1034936), (2219, 739240), (2536, 646835), (3170, 517468), (4438, 369620), (6340, 258734), (8876, 184810), (11095, 147848), (12680, 129367), (17752, 92405), (18481, 88760), (22190, 73924), (36962, 44380)]