71828080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 176417280

約数和(自身を除く): 104589200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 103, 115, 184, 206, 230, 368, 379, 412, 460, 515, 758, 824, 920, 1030, 1516, 1648, 1840, 1895, 2060, 2369, 3032, 3790, 4120, 4738, 6064, 7580, 8240, 8717, 9476, 11845, 15160, 17434, 18952, 23690, 30320, 34868, 37904, 39037, 43585, 47380, 69736, 78074, 87170, 94760, 139472, 156148, 174340, 189520, 195185, 312296, 348680, 390370, 624592, 697360, 780740, 897851, 1561480, 1795702, 3122960, 3591404, 4489255, 7182808, 8978510, 14365616, 17957020, 35914040, 71828080]

約数ペア:

[(1, 71828080), (2, 35914040), (4, 17957020), (5, 14365616), (8, 8978510), (10, 7182808), (16, 4489255), (20, 3591404), (23, 3122960), (40, 1795702), (46, 1561480), (80, 897851), (92, 780740), (103, 697360), (115, 624592), (184, 390370), (206, 348680), (230, 312296), (368, 195185), (379, 189520), (412, 174340), (460, 156148), (515, 139472), (758, 94760), (824, 87170), (920, 78074), (1030, 69736), (1516, 47380), (1648, 43585), (1840, 39037), (1895, 37904), (2060, 34868), (2369, 30320), (3032, 23690), (3790, 18952), (4120, 17434), (4738, 15160), (6064, 11845), (7580, 9476), (8240, 8717)]