77686720

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2357}}^1$

素因数の和:2477

約数の個数: 56

約数和(自身を含む): 186866784

約数和(自身を除く): 109180064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 1030, 1648, 2060, 2357, 3296, 4120, 4714, 6592, 8240, 9428, 11785, 16480, 18856, 23570, 32960, 37712, 47140, 75424, 94280, 150848, 188560, 242771, 377120, 485542, 754240, 971084, 1213855, 1942168, 2427710, 3884336, 4855420, 7768672, 9710840, 15537344, 19421680, 38843360, 77686720]

約数ペア:

[(1, 77686720), (2, 38843360), (4, 19421680), (5, 15537344), (8, 9710840), (10, 7768672), (16, 4855420), (20, 3884336), (32, 2427710), (40, 1942168), (64, 1213855), (80, 971084), (103, 754240), (160, 485542), (206, 377120), (320, 242771), (412, 188560), (515, 150848), (824, 94280), (1030, 75424), (1648, 47140), (2060, 37712), (2357, 32960), (3296, 23570), (4120, 18856), (4714, 16480), (6592, 11785), (8240, 9428)]