57408640

素因数分解:

$2^7\times 5^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 138165120

約数和(自身を除く): 80756480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 271, 320, 331, 542, 640, 662, 1084, 1324, 1355, 1655, 2168, 2648, 2710, 3310, 4336, 5296, 5420, 6620, 8672, 10592, 10840, 13240, 17344, 21184, 21680, 26480, 34688, 42368, 43360, 52960, 86720, 89701, 105920, 173440, 179402, 211840, 358804, 448505, 717608, 897010, 1435216, 1794020, 2870432, 3588040, 5740864, 7176080, 11481728, 14352160, 28704320, 57408640]

約数ペア:

[(1, 57408640), (2, 28704320), (4, 14352160), (5, 11481728), (8, 7176080), (10, 5740864), (16, 3588040), (20, 2870432), (32, 1794020), (40, 1435216), (64, 897010), (80, 717608), (128, 448505), (160, 358804), (271, 211840), (320, 179402), (331, 173440), (542, 105920), (640, 89701), (662, 86720), (1084, 52960), (1324, 43360), (1355, 42368), (1655, 34688), (2168, 26480), (2648, 21680), (2710, 21184), (3310, 17344), (4336, 13240), (5296, 10840), (5420, 10592), (6620, 8672)]