31921740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1627}}^1$

素因数の和:1751

約数の個数: 72

約数和(自身を含む): 97777680

約数和(自身を除く): 65855940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1627, 1635, 1962, 2180, 3254, 3270, 3924, 4881, 4905, 6508, 6540, 8135, 9762, 9810, 14643, 16270, 19524, 19620, 24405, 29286, 32540, 48810, 58572, 73215, 97620, 146430, 177343, 292860, 354686, 532029, 709372, 886715, 1064058, 1596087, 1773430, 2128116, 2660145, 3192174, 3546860, 5320290, 6384348, 7980435, 10640580, 15960870, 31921740]

約数ペア:

[(1, 31921740), (2, 15960870), (3, 10640580), (4, 7980435), (5, 6384348), (6, 5320290), (9, 3546860), (10, 3192174), (12, 2660145), (15, 2128116), (18, 1773430), (20, 1596087), (30, 1064058), (36, 886715), (45, 709372), (60, 532029), (90, 354686), (109, 292860), (180, 177343), (218, 146430), (327, 97620), (436, 73215), (545, 58572), (654, 48810), (981, 32540), (1090, 29286), (1308, 24405), (1627, 19620), (1635, 19524), (1962, 16270), (2180, 14643), (3254, 9810), (3270, 9762), (3924, 8135), (4881, 6540), (4905, 6508)]