55204020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{306689}}^1$

素因数の和:306704

約数の個数: 36

約数和(自身を含む): 167452740

約数和(自身を除く): 112248720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 306689, 613378, 920067, 1226756, 1533445, 1840134, 2760201, 3066890, 3680268, 4600335, 5520402, 6133780, 9200670, 11040804, 13801005, 18401340, 27602010, 55204020]

約数ペア:

[(1, 55204020), (2, 27602010), (3, 18401340), (4, 13801005), (5, 11040804), (6, 9200670), (9, 6133780), (10, 5520402), (12, 4600335), (15, 3680268), (18, 3066890), (20, 2760201), (30, 1840134), (36, 1533445), (45, 1226756), (60, 920067), (90, 613378), (180, 306689)]