87253880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7247}}^1$

素因数の和:7308

約数の個数: 64

約数和(自身を含む): 229616640

約数和(自身を除く): 142362760

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, 1505, 1720, 2408, 3010, 6020, 7247, 12040, 14494, 28988, 36235, 50729, 57976, 72470, 101458, 144940, 202916, 253645, 289880, 311621, 405832, 507290, 623242, 1014580, 1246484, 1558105, 2029160, 2181347, 2492968, 3116210, 4362694, 6232420, 8725388, 10906735, 12464840, 17450776, 21813470, 43626940, 87253880]

約数ペア:

[(1, 87253880), (2, 43626940), (4, 21813470), (5, 17450776), (7, 12464840), (8, 10906735), (10, 8725388), (14, 6232420), (20, 4362694), (28, 3116210), (35, 2492968), (40, 2181347), (43, 2029160), (56, 1558105), (70, 1246484), (86, 1014580), (140, 623242), (172, 507290), (215, 405832), (280, 311621), (301, 289880), (344, 253645), (430, 202916), (602, 144940), (860, 101458), (1204, 72470), (1505, 57976), (1720, 50729), (2408, 36235), (3010, 28988), (6020, 14494), (7247, 12040)]