90991728080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5442089}}^1$

素因数の和:5442132

約数の個数: 80

約数和(自身を含む): 242934897600

約数和(自身を除く): 151943169520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 5442089, 10884178, 21768356, 27210445, 43536712, 54420890, 59862979, 87073424, 103399691, 108841780, 119725958, 206799382, 217683560, 239451916, 299314895, 413598764, 435367120, 478903832, 516998455, 598629790, 827197528, 957807664, 1033996910, 1137396601, 1197259580, 1654395056, 2067993820, 2274793202, 2394519160, 4135987640, 4549586404, 4789038320, 5686983005, 8271975280, 9099172808, 11373966010, 18198345616, 22747932020, 45495864040, 90991728080]

約数ペア:

[(1, 90991728080), (2, 45495864040), (4, 22747932020), (5, 18198345616), (8, 11373966010), (10, 9099172808), (11, 8271975280), (16, 5686983005), (19, 4789038320), (20, 4549586404), (22, 4135987640), (38, 2394519160), (40, 2274793202), (44, 2067993820), (55, 1654395056), (76, 1197259580), (80, 1137396601), (88, 1033996910), (95, 957807664), (110, 827197528), (152, 598629790), (176, 516998455), (190, 478903832), (209, 435367120), (220, 413598764), (304, 299314895), (380, 239451916), (418, 217683560), (440, 206799382), (760, 119725958), (836, 108841780), (880, 103399691), (1045, 87073424), (1520, 59862979), (1672, 54420890), (2090, 43536712), (3344, 27210445), (4180, 21768356), (8360, 10884178), (16720, 5442089)]