28546920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 93506400

約数和(自身を除く): 64959480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 179, 180, 358, 360, 443, 537, 716, 886, 895, 1074, 1329, 1432, 1611, 1772, 1790, 2148, 2215, 2658, 2685, 3222, 3544, 3580, 3987, 4296, 4430, 5316, 5370, 6444, 6645, 7160, 7974, 8055, 8860, 10632, 10740, 12888, 13290, 15948, 16110, 17720, 19935, 21480, 26580, 31896, 32220, 39870, 53160, 64440, 79297, 79740, 158594, 159480, 237891, 317188, 396485, 475782, 634376, 713673, 792970, 951564, 1189455, 1427346, 1585940, 1903128, 2378910, 2854692, 3171880, 3568365, 4757820, 5709384, 7136730, 9515640, 14273460, 28546920]

約数ペア:

[(1, 28546920), (2, 14273460), (3, 9515640), (4, 7136730), (5, 5709384), (6, 4757820), (8, 3568365), (9, 3171880), (10, 2854692), (12, 2378910), (15, 1903128), (18, 1585940), (20, 1427346), (24, 1189455), (30, 951564), (36, 792970), (40, 713673), (45, 634376), (60, 475782), (72, 396485), (90, 317188), (120, 237891), (179, 159480), (180, 158594), (358, 79740), (360, 79297), (443, 64440), (537, 53160), (716, 39870), (886, 32220), (895, 31896), (1074, 26580), (1329, 21480), (1432, 19935), (1611, 17720), (1772, 16110), (1790, 15948), (2148, 13290), (2215, 12888), (2658, 10740), (2685, 10632), (3222, 8860), (3544, 8055), (3580, 7974), (3987, 7160), (4296, 6645), (4430, 6444), (5316, 5370)]