133428880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 343103040

約数和(自身を除く): 209674160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 139, 142, 169, 208, 260, 278, 284, 338, 355, 520, 556, 568, 676, 695, 710, 845, 923, 1040, 1112, 1136, 1352, 1390, 1420, 1690, 1807, 1846, 2224, 2704, 2780, 2840, 3380, 3614, 3692, 4615, 5560, 5680, 6760, 7228, 7384, 9035, 9230, 9869, 11120, 11999, 13520, 14456, 14768, 18070, 18460, 19738, 23491, 23998, 28912, 36140, 36920, 39476, 46982, 47996, 49345, 59995, 72280, 73840, 78952, 93964, 95992, 98690, 117455, 119990, 128297, 144560, 157904, 187928, 191984, 197380, 234910, 239980, 256594, 375856, 394760, 469820, 479960, 513188, 641485, 789520, 939640, 959920, 1026376, 1282970, 1667861, 1879280, 2052752, 2565940, 3335722, 5131880, 6671444, 8339305, 10263760, 13342888, 16678610, 26685776, 33357220, 66714440, 133428880]

約数ペア:

[(1, 133428880), (2, 66714440), (4, 33357220), (5, 26685776), (8, 16678610), (10, 13342888), (13, 10263760), (16, 8339305), (20, 6671444), (26, 5131880), (40, 3335722), (52, 2565940), (65, 2052752), (71, 1879280), (80, 1667861), (104, 1282970), (130, 1026376), (139, 959920), (142, 939640), (169, 789520), (208, 641485), (260, 513188), (278, 479960), (284, 469820), (338, 394760), (355, 375856), (520, 256594), (556, 239980), (568, 234910), (676, 197380), (695, 191984), (710, 187928), (845, 157904), (923, 144560), (1040, 128297), (1112, 119990), (1136, 117455), (1352, 98690), (1390, 95992), (1420, 93964), (1690, 78952), (1807, 73840), (1846, 72280), (2224, 59995), (2704, 49345), (2780, 47996), (2840, 46982), (3380, 39476), (3614, 36920), (3692, 36140), (4615, 28912), (5560, 23998), (5680, 23491), (6760, 19738), (7228, 18460), (7384, 18070), (9035, 14768), (9230, 14456), (9869, 13520), (11120, 11999)]