278910960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1162129}}^1$

素因数の和:1162145

約数の個数: 40

約数和(自身を含む): 864624720

約数和(自身を除く): 585713760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1162129, 2324258, 3486387, 4648516, 5810645, 6972774, 9297032, 11621290, 13945548, 17431935, 18594064, 23242580, 27891096, 34863870, 46485160, 55782192, 69727740, 92970320, 139455480, 278910960]

約数ペア:

[(1, 278910960), (2, 139455480), (3, 92970320), (4, 69727740), (5, 55782192), (6, 46485160), (8, 34863870), (10, 27891096), (12, 23242580), (15, 18594064), (16, 17431935), (20, 13945548), (24, 11621290), (30, 9297032), (40, 6972774), (48, 5810645), (60, 4648516), (80, 3486387), (120, 2324258), (240, 1162129)]