321034740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{411583}}^1$

素因数の和:411608

約数の個数: 48

約数和(自身を含む): 968045568

約数和(自身を除く): 647010828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 411583, 823166, 1234749, 1646332, 2057915, 2469498, 4115830, 4938996, 5350579, 6173745, 8231660, 10701158, 12347490, 16051737, 21402316, 24694980, 26752895, 32103474, 53505790, 64206948, 80258685, 107011580, 160517370, 321034740]

約数ペア:

[(1, 321034740), (2, 160517370), (3, 107011580), (4, 80258685), (5, 64206948), (6, 53505790), (10, 32103474), (12, 26752895), (13, 24694980), (15, 21402316), (20, 16051737), (26, 12347490), (30, 10701158), (39, 8231660), (52, 6173745), (60, 5350579), (65, 4938996), (78, 4115830), (130, 2469498), (156, 2057915), (195, 1646332), (260, 1234749), (390, 823166), (780, 411583)]