15891240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{877}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 48044160

約数和(自身を除く): 32152920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 877, 906, 1208, 1510, 1754, 1812, 2265, 2631, 3020, 3508, 3624, 4385, 4530, 5262, 6040, 7016, 8770, 9060, 10524, 13155, 17540, 18120, 21048, 26310, 35080, 52620, 105240, 132427, 264854, 397281, 529708, 662135, 794562, 1059416, 1324270, 1589124, 1986405, 2648540, 3178248, 3972810, 5297080, 7945620, 15891240]

約数ペア:

[(1, 15891240), (2, 7945620), (3, 5297080), (4, 3972810), (5, 3178248), (6, 2648540), (8, 1986405), (10, 1589124), (12, 1324270), (15, 1059416), (20, 794562), (24, 662135), (30, 529708), (40, 397281), (60, 264854), (120, 132427), (151, 105240), (302, 52620), (453, 35080), (604, 26310), (755, 21048), (877, 18120), (906, 17540), (1208, 13155), (1510, 10524), (1754, 9060), (1812, 8770), (2265, 7016), (2631, 6040), (3020, 5262), (3508, 4530), (3624, 4385)]