68863520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3557}}^1$

素因数の和:3594

約数の個数: 72

約数和(自身を含む): 178874892

約数和(自身を除く): 110011372

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3557, 3872, 4840, 7114, 9680, 14228, 17785, 19360, 28456, 35570, 39127, 56912, 71140, 78254, 113824, 142280, 156508, 195635, 284560, 313016, 391270, 430397, 569120, 626032, 782540, 860794, 1252064, 1565080, 1721588, 2151985, 3130160, 3443176, 4303970, 6260320, 6886352, 8607940, 13772704, 17215880, 34431760, 68863520]

約数ペア:

[(1, 68863520), (2, 34431760), (4, 17215880), (5, 13772704), (8, 8607940), (10, 6886352), (11, 6260320), (16, 4303970), (20, 3443176), (22, 3130160), (32, 2151985), (40, 1721588), (44, 1565080), (55, 1252064), (80, 860794), (88, 782540), (110, 626032), (121, 569120), (160, 430397), (176, 391270), (220, 313016), (242, 284560), (352, 195635), (440, 156508), (484, 142280), (605, 113824), (880, 78254), (968, 71140), (1210, 56912), (1760, 39127), (1936, 35570), (2420, 28456), (3557, 19360), (3872, 17785), (4840, 14228), (7114, 9680)]