64571880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 206438400

約数和(自身を除く): 141866520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 127, 152, 190, 223, 228, 254, 285, 380, 381, 446, 456, 508, 570, 635, 669, 760, 762, 892, 1016, 1115, 1140, 1270, 1338, 1524, 1784, 1905, 2230, 2280, 2413, 2540, 2676, 3048, 3345, 3810, 4237, 4460, 4826, 5080, 5352, 6690, 7239, 7620, 8474, 8920, 9652, 12065, 12711, 13380, 14478, 15240, 16948, 19304, 21185, 24130, 25422, 26760, 28321, 28956, 33896, 36195, 42370, 48260, 50844, 56642, 57912, 63555, 72390, 84740, 84963, 96520, 101688, 113284, 127110, 141605, 144780, 169480, 169926, 226568, 254220, 283210, 289560, 339852, 424815, 508440, 538099, 566420, 679704, 849630, 1076198, 1132840, 1614297, 1699260, 2152396, 2690495, 3228594, 3398520, 4304792, 5380990, 6457188, 8071485, 10761980, 12914376, 16142970, 21523960, 32285940, 64571880]

約数ペア:

[(1, 64571880), (2, 32285940), (3, 21523960), (4, 16142970), (5, 12914376), (6, 10761980), (8, 8071485), (10, 6457188), (12, 5380990), (15, 4304792), (19, 3398520), (20, 3228594), (24, 2690495), (30, 2152396), (38, 1699260), (40, 1614297), (57, 1132840), (60, 1076198), (76, 849630), (95, 679704), (114, 566420), (120, 538099), (127, 508440), (152, 424815), (190, 339852), (223, 289560), (228, 283210), (254, 254220), (285, 226568), (380, 169926), (381, 169480), (446, 144780), (456, 141605), (508, 127110), (570, 113284), (635, 101688), (669, 96520), (760, 84963), (762, 84740), (892, 72390), (1016, 63555), (1115, 57912), (1140, 56642), (1270, 50844), (1338, 48260), (1524, 42370), (1784, 36195), (1905, 33896), (2230, 28956), (2280, 28321), (2413, 26760), (2540, 25422), (2676, 24130), (3048, 21185), (3345, 19304), (3810, 16948), (4237, 15240), (4460, 14478), (4826, 13380), (5080, 12711), (5352, 12065), (6690, 9652), (7239, 8920), (7620, 8474)]