238312920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 735920640

約数和(自身を除く): 497607720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 83, 120, 142, 166, 213, 249, 284, 332, 337, 355, 415, 426, 498, 568, 664, 674, 710, 830, 852, 996, 1011, 1065, 1245, 1348, 1420, 1660, 1685, 1704, 1992, 2022, 2130, 2490, 2696, 2840, 3320, 3370, 4044, 4260, 4980, 5055, 5893, 6740, 8088, 8520, 9960, 10110, 11786, 13480, 17679, 20220, 23572, 23927, 27971, 29465, 35358, 40440, 47144, 47854, 55942, 58930, 70716, 71781, 83913, 88395, 95708, 111884, 117860, 119635, 139855, 141432, 143562, 167826, 176790, 191416, 223768, 235720, 239270, 279710, 287124, 335652, 353580, 358905, 419565, 478540, 559420, 574248, 671304, 707160, 717810, 839130, 957080, 1118840, 1435620, 1678260, 1985941, 2871240, 3356520, 3971882, 5957823, 7943764, 9929705, 11915646, 15887528, 19859410, 23831292, 29789115, 39718820, 47662584, 59578230, 79437640, 119156460, 238312920]

約数ペア:

[(1, 238312920), (2, 119156460), (3, 79437640), (4, 59578230), (5, 47662584), (6, 39718820), (8, 29789115), (10, 23831292), (12, 19859410), (15, 15887528), (20, 11915646), (24, 9929705), (30, 7943764), (40, 5957823), (60, 3971882), (71, 3356520), (83, 2871240), (120, 1985941), (142, 1678260), (166, 1435620), (213, 1118840), (249, 957080), (284, 839130), (332, 717810), (337, 707160), (355, 671304), (415, 574248), (426, 559420), (498, 478540), (568, 419565), (664, 358905), (674, 353580), (710, 335652), (830, 287124), (852, 279710), (996, 239270), (1011, 235720), (1065, 223768), (1245, 191416), (1348, 176790), (1420, 167826), (1660, 143562), (1685, 141432), (1704, 139855), (1992, 119635), (2022, 117860), (2130, 111884), (2490, 95708), (2696, 88395), (2840, 83913), (3320, 71781), (3370, 70716), (4044, 58930), (4260, 55942), (4980, 47854), (5055, 47144), (5893, 40440), (6740, 35358), (8088, 29465), (8520, 27971), (9960, 23927), (10110, 23572), (11786, 20220), (13480, 17679)]