78493980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{17921}}^1$

素因数の和:18006

約数の個数: 48

約数和(自身を含む): 222806304

約数和(自身を除く): 144312324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 17921, 35842, 53763, 71684, 89605, 107526, 179210, 215052, 268815, 358420, 537630, 1075260, 1308233, 2616466, 3924699, 5232932, 6541165, 7849398, 13082330, 15698796, 19623495, 26164660, 39246990, 78493980]

約数ペア:

[(1, 78493980), (2, 39246990), (3, 26164660), (4, 19623495), (5, 15698796), (6, 13082330), (10, 7849398), (12, 6541165), (15, 5232932), (20, 3924699), (30, 2616466), (60, 1308233), (73, 1075260), (146, 537630), (219, 358420), (292, 268815), (365, 215052), (438, 179210), (730, 107526), (876, 89605), (1095, 71684), (1460, 53763), (2190, 35842), (4380, 17921)]