643913880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5365949}}^1$

素因数の和:5365963

約数の個数: 32

約数和(自身を含む): 1931742000

約数和(自身を除く): 1287828120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5365949, 10731898, 16097847, 21463796, 26829745, 32195694, 42927592, 53659490, 64391388, 80489235, 107318980, 128782776, 160978470, 214637960, 321956940, 643913880]

約数ペア:

[(1, 643913880), (2, 321956940), (3, 214637960), (4, 160978470), (5, 128782776), (6, 107318980), (8, 80489235), (10, 64391388), (12, 53659490), (15, 42927592), (20, 32195694), (24, 26829745), (30, 21463796), (40, 16097847), (60, 10731898), (120, 5365949)]