131453560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1481}}^1$

素因数の和:1816

約数の個数: 64

約数和(自身を含む): 339318720

約数和(自身を除く): 207865160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 1268, 1481, 1585, 2219, 2536, 2962, 3170, 4438, 5924, 6340, 7405, 8876, 10367, 11095, 11848, 12680, 14810, 17752, 20734, 22190, 29620, 41468, 44380, 51835, 59240, 82936, 88760, 103670, 207340, 414680, 469477, 938954, 1877908, 2347385, 3286339, 3755816, 4694770, 6572678, 9389540, 13145356, 16431695, 18779080, 26290712, 32863390, 65726780, 131453560]

約数ペア:

[(1, 131453560), (2, 65726780), (4, 32863390), (5, 26290712), (7, 18779080), (8, 16431695), (10, 13145356), (14, 9389540), (20, 6572678), (28, 4694770), (35, 3755816), (40, 3286339), (56, 2347385), (70, 1877908), (140, 938954), (280, 469477), (317, 414680), (634, 207340), (1268, 103670), (1481, 88760), (1585, 82936), (2219, 59240), (2536, 51835), (2962, 44380), (3170, 41468), (4438, 29620), (5924, 22190), (6340, 20734), (7405, 17752), (8876, 14810), (10367, 12680), (11095, 11848)]