642495780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1189807}}^1$

素因数の和:1189825

約数の個数: 48

約数和(自身を含む): 1998877440

約数和(自身を除く): 1356381660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1189807, 2379614, 3569421, 4759228, 5949035, 7138842, 10708263, 11898070, 14277684, 17847105, 21416526, 23796140, 32124789, 35694210, 42833052, 53541315, 64249578, 71388420, 107082630, 128499156, 160623945, 214165260, 321247890, 642495780]

約数ペア:

[(1, 642495780), (2, 321247890), (3, 214165260), (4, 160623945), (5, 128499156), (6, 107082630), (9, 71388420), (10, 64249578), (12, 53541315), (15, 42833052), (18, 35694210), (20, 32124789), (27, 23796140), (30, 21416526), (36, 17847105), (45, 14277684), (54, 11898070), (60, 10708263), (90, 7138842), (108, 5949035), (135, 4759228), (180, 3569421), (270, 2379614), (540, 1189807)]