61985720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 143575200

約数和(自身を除く): 81589480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 101, 134, 202, 229, 268, 335, 404, 458, 505, 536, 670, 808, 916, 1010, 1145, 1340, 1832, 2020, 2290, 2680, 4040, 4580, 6767, 9160, 13534, 15343, 23129, 27068, 30686, 33835, 46258, 54136, 61372, 67670, 76715, 92516, 115645, 122744, 135340, 153430, 185032, 231290, 270680, 306860, 462580, 613720, 925160, 1549643, 3099286, 6198572, 7748215, 12397144, 15496430, 30992860, 61985720]

約数ペア:

[(1, 61985720), (2, 30992860), (4, 15496430), (5, 12397144), (8, 7748215), (10, 6198572), (20, 3099286), (40, 1549643), (67, 925160), (101, 613720), (134, 462580), (202, 306860), (229, 270680), (268, 231290), (335, 185032), (404, 153430), (458, 135340), (505, 122744), (536, 115645), (670, 92516), (808, 76715), (916, 67670), (1010, 61372), (1145, 54136), (1340, 46258), (1832, 33835), (2020, 30686), (2290, 27068), (2680, 23129), (4040, 15343), (4580, 13534), (6767, 9160)]