61728080

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1481}}^1$

素因数の和:2015

約数の個数: 40

約数和(自身を含む): 143890344

約数和(自身を除く): 82162264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 1481, 2084, 2605, 2962, 4168, 5210, 5924, 7405, 8336, 10420, 11848, 14810, 20840, 23696, 29620, 41680, 59240, 118480, 771601, 1543202, 3086404, 3858005, 6172808, 7716010, 12345616, 15432020, 30864040, 61728080]

約数ペア:

[(1, 61728080), (2, 30864040), (4, 15432020), (5, 12345616), (8, 7716010), (10, 6172808), (16, 3858005), (20, 3086404), (40, 1543202), (80, 771601), (521, 118480), (1042, 59240), (1481, 41680), (2084, 29620), (2605, 23696), (2962, 20840), (4168, 14810), (5210, 11848), (5924, 10420), (7405, 8336)]