30511360

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 80740044

約数和(自身を除く): 50228684

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, 256, 320, 352, 394, 440, 484, 605, 640, 704, 788, 880, 968, 985, 1210, 1280, 1408, 1576, 1760, 1936, 1970, 2167, 2420, 2816, 3152, 3520, 3872, 3940, 4334, 4840, 6304, 7040, 7744, 7880, 8668, 9680, 10835, 12608, 14080, 15488, 15760, 17336, 19360, 21670, 23837, 25216, 30976, 31520, 34672, 38720, 43340, 47674, 50432, 63040, 69344, 77440, 86680, 95348, 119185, 126080, 138688, 154880, 173360, 190696, 238370, 252160, 277376, 346720, 381392, 476740, 554752, 693440, 762784, 953480, 1386880, 1525568, 1906960, 2773760, 3051136, 3813920, 6102272, 7627840, 15255680, 30511360]

約数ペア:

[(1, 30511360), (2, 15255680), (4, 7627840), (5, 6102272), (8, 3813920), (10, 3051136), (11, 2773760), (16, 1906960), (20, 1525568), (22, 1386880), (32, 953480), (40, 762784), (44, 693440), (55, 554752), (64, 476740), (80, 381392), (88, 346720), (110, 277376), (121, 252160), (128, 238370), (160, 190696), (176, 173360), (197, 154880), (220, 138688), (242, 126080), (256, 119185), (320, 95348), (352, 86680), (394, 77440), (440, 69344), (484, 63040), (605, 50432), (640, 47674), (704, 43340), (788, 38720), (880, 34672), (968, 31520), (985, 30976), (1210, 25216), (1280, 23837), (1408, 21670), (1576, 19360), (1760, 17336), (1936, 15760), (1970, 15488), (2167, 14080), (2420, 12608), (2816, 10835), (3152, 9680), (3520, 8668), (3872, 7880), (3940, 7744), (4334, 7040), (4840, 6304)]