77778580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 187971840

約数和(自身を除く): 110193260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 73, 110, 116, 145, 146, 167, 220, 290, 292, 319, 334, 365, 580, 638, 668, 730, 803, 835, 1276, 1460, 1595, 1606, 1670, 1837, 2117, 3190, 3212, 3340, 3674, 4015, 4234, 4843, 6380, 7348, 8030, 8468, 9185, 9686, 10585, 12191, 16060, 18370, 19372, 21170, 23287, 24215, 24382, 36740, 42340, 46574, 48430, 48764, 53273, 60955, 93148, 96860, 106546, 116435, 121910, 134101, 213092, 232870, 243820, 266365, 268202, 353539, 465740, 532730, 536404, 670505, 707078, 1065460, 1341010, 1414156, 1767695, 2682020, 3535390, 3888929, 7070780, 7777858, 15555716, 19444645, 38889290, 77778580]

約数ペア:

[(1, 77778580), (2, 38889290), (4, 19444645), (5, 15555716), (10, 7777858), (11, 7070780), (20, 3888929), (22, 3535390), (29, 2682020), (44, 1767695), (55, 1414156), (58, 1341010), (73, 1065460), (110, 707078), (116, 670505), (145, 536404), (146, 532730), (167, 465740), (220, 353539), (290, 268202), (292, 266365), (319, 243820), (334, 232870), (365, 213092), (580, 134101), (638, 121910), (668, 116435), (730, 106546), (803, 96860), (835, 93148), (1276, 60955), (1460, 53273), (1595, 48764), (1606, 48430), (1670, 46574), (1837, 42340), (2117, 36740), (3190, 24382), (3212, 24215), (3340, 23287), (3674, 21170), (4015, 19372), (4234, 18370), (4843, 16060), (6380, 12191), (7348, 10585), (8030, 9686), (8468, 9185)]