28582020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1637}}^1$

素因数の和:1749

約数の個数: 72

約数和(自身を含む): 87646104

約数和(自身を除く): 59064084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1637, 1746, 1940, 2910, 3274, 3492, 4365, 4911, 5820, 6548, 8185, 8730, 9822, 14733, 16370, 17460, 19644, 24555, 29466, 32740, 49110, 58932, 73665, 98220, 147330, 158789, 294660, 317578, 476367, 635156, 793945, 952734, 1429101, 1587890, 1905468, 2381835, 2858202, 3175780, 4763670, 5716404, 7145505, 9527340, 14291010, 28582020]

約数ペア:

[(1, 28582020), (2, 14291010), (3, 9527340), (4, 7145505), (5, 5716404), (6, 4763670), (9, 3175780), (10, 2858202), (12, 2381835), (15, 1905468), (18, 1587890), (20, 1429101), (30, 952734), (36, 793945), (45, 635156), (60, 476367), (90, 317578), (97, 294660), (180, 158789), (194, 147330), (291, 98220), (388, 73665), (485, 58932), (582, 49110), (873, 32740), (970, 29466), (1164, 24555), (1455, 19644), (1637, 17460), (1746, 16370), (1940, 14733), (2910, 9822), (3274, 8730), (3492, 8185), (4365, 6548), (4911, 5820)]