627489990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{774679}}^1$

素因数の和:774698

約数の個数: 40

約数和(自身を含む): 1687253040

約数和(自身を除く): 1059763050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 774679, 1549358, 2324037, 3873395, 4648074, 6972111, 7746790, 11620185, 13944222, 20916333, 23240370, 34860555, 41832666, 62748999, 69721110, 104581665, 125497998, 209163330, 313744995, 627489990]

約数ペア:

[(1, 627489990), (2, 313744995), (3, 209163330), (5, 125497998), (6, 104581665), (9, 69721110), (10, 62748999), (15, 41832666), (18, 34860555), (27, 23240370), (30, 20916333), (45, 13944222), (54, 11620185), (81, 7746790), (90, 6972111), (135, 4648074), (162, 3873395), (270, 2324037), (405, 1549358), (810, 774679)]