291225960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{808961}}^1$

素因数の和:808978

約数の個数: 48

約数和(自身を含む): 946485540

約数和(自身を除く): 655259580

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, 808961, 1617922, 2426883, 3235844, 4044805, 4853766, 6471688, 7280649, 8089610, 9707532, 12134415, 14561298, 16179220, 19415064, 24268830, 29122596, 32358440, 36403245, 48537660, 58245192, 72806490, 97075320, 145612980, 291225960]

約数ペア:

[(1, 291225960), (2, 145612980), (3, 97075320), (4, 72806490), (5, 58245192), (6, 48537660), (8, 36403245), (9, 32358440), (10, 29122596), (12, 24268830), (15, 19415064), (18, 16179220), (20, 14561298), (24, 12134415), (30, 9707532), (36, 8089610), (40, 7280649), (45, 6471688), (60, 4853766), (72, 4044805), (90, 3235844), (120, 2426883), (180, 1617922), (360, 808961)]