320804520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{919}}^1\times {\mathrm{2909}}^1$

素因数の和:3842

約数の個数: 64

約数和(自身を含む): 963792000

約数和(自身を除く): 642987480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 919, 1838, 2757, 2909, 3676, 4595, 5514, 5818, 7352, 8727, 9190, 11028, 11636, 13785, 14545, 17454, 18380, 22056, 23272, 27570, 29090, 34908, 36760, 43635, 55140, 58180, 69816, 87270, 110280, 116360, 174540, 349080, 2673371, 5346742, 8020113, 10693484, 13366855, 16040226, 21386968, 26733710, 32080452, 40100565, 53467420, 64160904, 80201130, 106934840, 160402260, 320804520]

約数ペア:

[(1, 320804520), (2, 160402260), (3, 106934840), (4, 80201130), (5, 64160904), (6, 53467420), (8, 40100565), (10, 32080452), (12, 26733710), (15, 21386968), (20, 16040226), (24, 13366855), (30, 10693484), (40, 8020113), (60, 5346742), (120, 2673371), (919, 349080), (1838, 174540), (2757, 116360), (2909, 110280), (3676, 87270), (4595, 69816), (5514, 58180), (5818, 55140), (7352, 43635), (8727, 36760), (9190, 34908), (11028, 29090), (11636, 27570), (13785, 23272), (14545, 22056), (17454, 18380)]