55213020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{306739}}^1$

素因数の和:306754

約数の個数: 36

約数和(自身を含む): 167480040

約数和(自身を除く): 112267020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 306739, 613478, 920217, 1226956, 1533695, 1840434, 2760651, 3067390, 3680868, 4601085, 5521302, 6134780, 9202170, 11042604, 13803255, 18404340, 27606510, 55213020]

約数ペア:

[(1, 55213020), (2, 27606510), (3, 18404340), (4, 13803255), (5, 11042604), (6, 9202170), (9, 6134780), (10, 5521302), (12, 4601085), (15, 3680868), (18, 3067390), (20, 2760651), (30, 1840434), (36, 1533695), (45, 1226956), (60, 920217), (90, 613478), (180, 306739)]