31072020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 100251648

約数和(自身を除く): 69179628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 167, 210, 334, 420, 443, 501, 668, 835, 886, 1002, 1169, 1329, 1670, 1772, 2004, 2215, 2338, 2505, 2658, 3101, 3340, 3507, 4430, 4676, 5010, 5316, 5845, 6202, 6645, 7014, 8860, 9303, 10020, 11690, 12404, 13290, 14028, 15505, 17535, 18606, 23380, 26580, 31010, 35070, 37212, 46515, 62020, 70140, 73981, 93030, 147962, 186060, 221943, 295924, 369905, 443886, 517867, 739810, 887772, 1035734, 1109715, 1479620, 1553601, 2071468, 2219430, 2589335, 3107202, 4438860, 5178670, 6214404, 7768005, 10357340, 15536010, 31072020]

約数ペア:

[(1, 31072020), (2, 15536010), (3, 10357340), (4, 7768005), (5, 6214404), (6, 5178670), (7, 4438860), (10, 3107202), (12, 2589335), (14, 2219430), (15, 2071468), (20, 1553601), (21, 1479620), (28, 1109715), (30, 1035734), (35, 887772), (42, 739810), (60, 517867), (70, 443886), (84, 369905), (105, 295924), (140, 221943), (167, 186060), (210, 147962), (334, 93030), (420, 73981), (443, 70140), (501, 62020), (668, 46515), (835, 37212), (886, 35070), (1002, 31010), (1169, 26580), (1329, 23380), (1670, 18606), (1772, 17535), (2004, 15505), (2215, 14028), (2338, 13290), (2505, 12404), (2658, 11690), (3101, 10020), (3340, 9303), (3507, 8860), (4430, 7014), (4676, 6645), (5010, 6202), (5316, 5845)]