15255680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 40291020

約数和(自身を除く): 25035340

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 197, 220, 242, 320, 352, 394, 440, 484, 605, 640, 704, 788, 880, 968, 985, 1210, 1408, 1576, 1760, 1936, 1970, 2167, 2420, 3152, 3520, 3872, 3940, 4334, 4840, 6304, 7040, 7744, 7880, 8668, 9680, 10835, 12608, 15488, 15760, 17336, 19360, 21670, 23837, 25216, 31520, 34672, 38720, 43340, 47674, 63040, 69344, 77440, 86680, 95348, 119185, 126080, 138688, 173360, 190696, 238370, 277376, 346720, 381392, 476740, 693440, 762784, 953480, 1386880, 1525568, 1906960, 3051136, 3813920, 7627840, 15255680]

約数ペア:

[(1, 15255680), (2, 7627840), (4, 3813920), (5, 3051136), (8, 1906960), (10, 1525568), (11, 1386880), (16, 953480), (20, 762784), (22, 693440), (32, 476740), (40, 381392), (44, 346720), (55, 277376), (64, 238370), (80, 190696), (88, 173360), (110, 138688), (121, 126080), (128, 119185), (160, 95348), (176, 86680), (197, 77440), (220, 69344), (242, 63040), (320, 47674), (352, 43340), (394, 38720), (440, 34672), (484, 31520), (605, 25216), (640, 23837), (704, 21670), (788, 19360), (880, 17336), (968, 15760), (985, 15488), (1210, 12608), (1408, 10835), (1576, 9680), (1760, 8668), (1936, 7880), (1970, 7744), (2167, 7040), (2420, 6304), (3152, 4840), (3520, 4334), (3872, 3940)]