198066420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1249}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 601965000

約数和(自身を除く): 403898580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 881, 1249, 1762, 2498, 2643, 3524, 3747, 4405, 4996, 5286, 6245, 7494, 7929, 8810, 10572, 11241, 12490, 13215, 14988, 15858, 17620, 18735, 22482, 24980, 26430, 31716, 37470, 39645, 44964, 52860, 56205, 74940, 79290, 112410, 158580, 224820, 1100369, 2200738, 3301107, 4401476, 5501845, 6602214, 9903321, 11003690, 13204428, 16505535, 19806642, 22007380, 33011070, 39613284, 49516605, 66022140, 99033210, 198066420]

約数ペア:

[(1, 198066420), (2, 99033210), (3, 66022140), (4, 49516605), (5, 39613284), (6, 33011070), (9, 22007380), (10, 19806642), (12, 16505535), (15, 13204428), (18, 11003690), (20, 9903321), (30, 6602214), (36, 5501845), (45, 4401476), (60, 3301107), (90, 2200738), (180, 1100369), (881, 224820), (1249, 158580), (1762, 112410), (2498, 79290), (2643, 74940), (3524, 56205), (3747, 52860), (4405, 44964), (4996, 39645), (5286, 37470), (6245, 31716), (7494, 26430), (7929, 24980), (8810, 22482), (10572, 18735), (11241, 17620), (12490, 15858), (13215, 14988)]