1330904820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3168821}}^1$

素因数の和:3168840

約数の個数: 48

約数和(自身を含む): 4258896768

約数和(自身を除く): 2927991948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3168821, 6337642, 9506463, 12675284, 15844105, 19012926, 22181747, 31688210, 38025852, 44363494, 47532315, 63376420, 66545241, 88726988, 95064630, 110908735, 133090482, 190129260, 221817470, 266180964, 332726205, 443634940, 665452410, 1330904820]

約数ペア:

[(1, 1330904820), (2, 665452410), (3, 443634940), (4, 332726205), (5, 266180964), (6, 221817470), (7, 190129260), (10, 133090482), (12, 110908735), (14, 95064630), (15, 88726988), (20, 66545241), (21, 63376420), (28, 47532315), (30, 44363494), (35, 38025852), (42, 31688210), (60, 22181747), (70, 19012926), (84, 15844105), (105, 12675284), (140, 9506463), (210, 6337642), (420, 3168821)]