65680940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 159183360

約数和(自身を除く): 93502420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 31, 52, 58, 62, 65, 116, 124, 130, 145, 155, 260, 281, 290, 310, 377, 403, 562, 580, 620, 754, 806, 899, 1124, 1405, 1508, 1612, 1798, 1885, 2015, 2810, 3596, 3653, 3770, 4030, 4495, 5620, 7306, 7540, 8060, 8149, 8711, 8990, 11687, 14612, 16298, 17422, 17980, 18265, 23374, 32596, 34844, 36530, 40745, 43555, 46748, 58435, 73060, 81490, 87110, 105937, 113243, 116870, 162980, 174220, 211874, 226486, 233740, 252619, 423748, 452972, 505238, 529685, 566215, 1010476, 1059370, 1132430, 1263095, 2118740, 2264860, 2526190, 3284047, 5052380, 6568094, 13136188, 16420235, 32840470, 65680940]

約数ペア:

[(1, 65680940), (2, 32840470), (4, 16420235), (5, 13136188), (10, 6568094), (13, 5052380), (20, 3284047), (26, 2526190), (29, 2264860), (31, 2118740), (52, 1263095), (58, 1132430), (62, 1059370), (65, 1010476), (116, 566215), (124, 529685), (130, 505238), (145, 452972), (155, 423748), (260, 252619), (281, 233740), (290, 226486), (310, 211874), (377, 174220), (403, 162980), (562, 116870), (580, 113243), (620, 105937), (754, 87110), (806, 81490), (899, 73060), (1124, 58435), (1405, 46748), (1508, 43555), (1612, 40745), (1798, 36530), (1885, 34844), (2015, 32596), (2810, 23374), (3596, 18265), (3653, 17980), (3770, 17422), (4030, 16298), (4495, 14612), (5620, 11687), (7306, 8990), (7540, 8711), (8060, 8149)]