172317720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3581}}^1$

素因数の和:3996

約数の個数: 64

約数和(自身を含む): 518387040

約数和(自身を除く): 346069320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1604, 2005, 2406, 3208, 3581, 4010, 4812, 6015, 7162, 8020, 9624, 10743, 12030, 14324, 16040, 17905, 21486, 24060, 28648, 35810, 42972, 48120, 53715, 71620, 85944, 107430, 143240, 214860, 429720, 1435981, 2871962, 4307943, 5743924, 7179905, 8615886, 11487848, 14359810, 17231772, 21539715, 28719620, 34463544, 43079430, 57439240, 86158860, 172317720]

約数ペア:

[(1, 172317720), (2, 86158860), (3, 57439240), (4, 43079430), (5, 34463544), (6, 28719620), (8, 21539715), (10, 17231772), (12, 14359810), (15, 11487848), (20, 8615886), (24, 7179905), (30, 5743924), (40, 4307943), (60, 2871962), (120, 1435981), (401, 429720), (802, 214860), (1203, 143240), (1604, 107430), (2005, 85944), (2406, 71620), (3208, 53715), (3581, 48120), (4010, 42972), (4812, 35810), (6015, 28648), (7162, 24060), (8020, 21486), (9624, 17905), (10743, 16040), (12030, 14324)]