15615880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1358

約数の個数: 64

約数和(自身を含む): 41120640

約数和(自身を除く): 25504760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1297, 1505, 1720, 2408, 2594, 3010, 5188, 6020, 6485, 9079, 10376, 12040, 12970, 18158, 25940, 36316, 45395, 51880, 55771, 72632, 90790, 111542, 181580, 223084, 278855, 363160, 390397, 446168, 557710, 780794, 1115420, 1561588, 1951985, 2230840, 3123176, 3903970, 7807940, 15615880]

約数ペア:

[(1, 15615880), (2, 7807940), (4, 3903970), (5, 3123176), (7, 2230840), (8, 1951985), (10, 1561588), (14, 1115420), (20, 780794), (28, 557710), (35, 446168), (40, 390397), (43, 363160), (56, 278855), (70, 223084), (86, 181580), (140, 111542), (172, 90790), (215, 72632), (280, 55771), (301, 51880), (344, 45395), (430, 36316), (602, 25940), (860, 18158), (1204, 12970), (1297, 12040), (1505, 10376), (1720, 9079), (2408, 6485), (2594, 6020), (3010, 5188)]