66456840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1279}}^1$

素因数の和:1726

約数の個数: 64

約数和(自身を含む): 199987200

約数和(自身を除く): 133530360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 433, 866, 1279, 1299, 1732, 2165, 2558, 2598, 3464, 3837, 4330, 5116, 5196, 6395, 6495, 7674, 8660, 10232, 10392, 12790, 12990, 15348, 17320, 19185, 25580, 25980, 30696, 38370, 51160, 51960, 76740, 153480, 553807, 1107614, 1661421, 2215228, 2769035, 3322842, 4430456, 5538070, 6645684, 8307105, 11076140, 13291368, 16614210, 22152280, 33228420, 66456840]

約数ペア:

[(1, 66456840), (2, 33228420), (3, 22152280), (4, 16614210), (5, 13291368), (6, 11076140), (8, 8307105), (10, 6645684), (12, 5538070), (15, 4430456), (20, 3322842), (24, 2769035), (30, 2215228), (40, 1661421), (60, 1107614), (120, 553807), (433, 153480), (866, 76740), (1279, 51960), (1299, 51160), (1732, 38370), (2165, 30696), (2558, 25980), (2598, 25580), (3464, 19185), (3837, 17320), (4330, 15348), (5116, 12990), (5196, 12790), (6395, 10392), (6495, 10232), (7674, 8660)]