631410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 1632960

約数和(自身を除く): 1001550

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1619, 3238, 4857, 8095, 9714, 16190, 21047, 24285, 42094, 48570, 63141, 105235, 126282, 210470, 315705, 631410]

約数ペア:

[(1, 631410), (2, 315705), (3, 210470), (5, 126282), (6, 105235), (10, 63141), (13, 48570), (15, 42094), (26, 24285), (30, 21047), (39, 16190), (65, 9714), (78, 8095), (130, 4857), (195, 3238), (390, 1619)]