198039960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{550111}}^1$

素因数の和:550128

約数の個数: 48

約数和(自身を含む): 643631040

約数和(自身を除く): 445591080

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, 180, 360, 550111, 1100222, 1650333, 2200444, 2750555, 3300666, 4400888, 4950999, 5501110, 6601332, 8251665, 9901998, 11002220, 13202664, 16503330, 19803996, 22004440, 24754995, 33006660, 39607992, 49509990, 66013320, 99019980, 198039960]

約数ペア:

[(1, 198039960), (2, 99019980), (3, 66013320), (4, 49509990), (5, 39607992), (6, 33006660), (8, 24754995), (9, 22004440), (10, 19803996), (12, 16503330), (15, 13202664), (18, 11002220), (20, 9901998), (24, 8251665), (30, 6601332), (36, 5501110), (40, 4950999), (45, 4400888), (60, 3300666), (72, 2750555), (90, 2200444), (120, 1650333), (180, 1100222), (360, 550111)]