31583640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 105131520

約数和(自身を除く): 73547880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 337, 355, 426, 440, 568, 660, 674, 710, 781, 852, 1011, 1065, 1320, 1348, 1420, 1562, 1685, 1704, 2022, 2130, 2343, 2696, 2840, 3124, 3370, 3707, 3905, 4044, 4260, 4686, 5055, 6248, 6740, 7414, 7810, 8088, 8520, 9372, 10110, 11121, 11715, 13480, 14828, 15620, 18535, 18744, 20220, 22242, 23430, 23927, 29656, 31240, 37070, 40440, 44484, 46860, 47854, 55605, 71781, 74140, 88968, 93720, 95708, 111210, 119635, 143562, 148280, 191416, 222420, 239270, 263197, 287124, 358905, 444840, 478540, 526394, 574248, 717810, 789591, 957080, 1052788, 1315985, 1435620, 1579182, 2105576, 2631970, 2871240, 3158364, 3947955, 5263940, 6316728, 7895910, 10527880, 15791820, 31583640]

約数ペア:

[(1, 31583640), (2, 15791820), (3, 10527880), (4, 7895910), (5, 6316728), (6, 5263940), (8, 3947955), (10, 3158364), (11, 2871240), (12, 2631970), (15, 2105576), (20, 1579182), (22, 1435620), (24, 1315985), (30, 1052788), (33, 957080), (40, 789591), (44, 717810), (55, 574248), (60, 526394), (66, 478540), (71, 444840), (88, 358905), (110, 287124), (120, 263197), (132, 239270), (142, 222420), (165, 191416), (213, 148280), (220, 143562), (264, 119635), (284, 111210), (330, 95708), (337, 93720), (355, 88968), (426, 74140), (440, 71781), (568, 55605), (660, 47854), (674, 46860), (710, 44484), (781, 40440), (852, 37070), (1011, 31240), (1065, 29656), (1320, 23927), (1348, 23430), (1420, 22242), (1562, 20220), (1685, 18744), (1704, 18535), (2022, 15620), (2130, 14828), (2343, 13480), (2696, 11715), (2840, 11121), (3124, 10110), (3370, 9372), (3707, 8520), (3905, 8088), (4044, 7810), (4260, 7414), (4686, 6740), (5055, 6248)]