720330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1847}}^1$

素因数の和:1870

約数の個数: 32

約数和(自身を含む): 1862784

約数和(自身を除く): 1142454

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1847, 3694, 5541, 9235, 11082, 18470, 24011, 27705, 48022, 55410, 72033, 120055, 144066, 240110, 360165, 720330]

約数ペア:

[(1, 720330), (2, 360165), (3, 240110), (5, 144066), (6, 120055), (10, 72033), (13, 55410), (15, 48022), (26, 27705), (30, 24011), (39, 18470), (65, 11082), (78, 9235), (130, 5541), (195, 3694), (390, 1847)]