81422520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:437

約数の個数: 128

約数和(自身を含む): 261273600

約数和(自身を除く): 179851080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 167, 170, 204, 239, 255, 334, 340, 408, 478, 501, 510, 668, 680, 717, 835, 956, 1002, 1020, 1195, 1336, 1434, 1670, 1912, 2004, 2040, 2390, 2505, 2839, 2868, 3340, 3585, 4008, 4063, 4780, 5010, 5678, 5736, 6680, 7170, 8126, 8517, 9560, 10020, 11356, 12189, 14195, 14340, 16252, 17034, 20040, 20315, 22712, 24378, 28390, 28680, 32504, 34068, 39913, 40630, 42585, 48756, 56780, 60945, 68136, 79826, 81260, 85170, 97512, 113560, 119739, 121890, 159652, 162520, 170340, 199565, 239478, 243780, 319304, 340680, 399130, 478956, 487560, 598695, 678521, 798260, 957912, 1197390, 1357042, 1596520, 2035563, 2394780, 2714084, 3392605, 4071126, 4789560, 5428168, 6785210, 8142252, 10177815, 13570420, 16284504, 20355630, 27140840, 40711260, 81422520]

約数ペア:

[(1, 81422520), (2, 40711260), (3, 27140840), (4, 20355630), (5, 16284504), (6, 13570420), (8, 10177815), (10, 8142252), (12, 6785210), (15, 5428168), (17, 4789560), (20, 4071126), (24, 3392605), (30, 2714084), (34, 2394780), (40, 2035563), (51, 1596520), (60, 1357042), (68, 1197390), (85, 957912), (102, 798260), (120, 678521), (136, 598695), (167, 487560), (170, 478956), (204, 399130), (239, 340680), (255, 319304), (334, 243780), (340, 239478), (408, 199565), (478, 170340), (501, 162520), (510, 159652), (668, 121890), (680, 119739), (717, 113560), (835, 97512), (956, 85170), (1002, 81260), (1020, 79826), (1195, 68136), (1336, 60945), (1434, 56780), (1670, 48756), (1912, 42585), (2004, 40630), (2040, 39913), (2390, 34068), (2505, 32504), (2839, 28680), (2868, 28390), (3340, 24378), (3585, 22712), (4008, 20315), (4063, 20040), (4780, 17034), (5010, 16252), (5678, 14340), (5736, 14195), (6680, 12189), (7170, 11356), (8126, 10020), (8517, 9560)]