18040920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 54540000

約数和(自身を除く): 36499080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1009, 1192, 1490, 1788, 2018, 2235, 2980, 3027, 3576, 4036, 4470, 5045, 5960, 6054, 8072, 8940, 10090, 12108, 15135, 17880, 20180, 24216, 30270, 40360, 60540, 121080, 150341, 300682, 451023, 601364, 751705, 902046, 1202728, 1503410, 1804092, 2255115, 3006820, 3608184, 4510230, 6013640, 9020460, 18040920]

約数ペア:

[(1, 18040920), (2, 9020460), (3, 6013640), (4, 4510230), (5, 3608184), (6, 3006820), (8, 2255115), (10, 1804092), (12, 1503410), (15, 1202728), (20, 902046), (24, 751705), (30, 601364), (40, 451023), (60, 300682), (120, 150341), (149, 121080), (298, 60540), (447, 40360), (596, 30270), (745, 24216), (894, 20180), (1009, 17880), (1192, 15135), (1490, 12108), (1788, 10090), (2018, 8940), (2235, 8072), (2980, 6054), (3027, 5960), (3576, 5045), (4036, 4470)]