71323020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396239}}^1$

素因数の和:396254

約数の個数: 36

約数和(自身を含む): 216347040

約数和(自身を除く): 145024020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396239, 792478, 1188717, 1584956, 1981195, 2377434, 3566151, 3962390, 4754868, 5943585, 7132302, 7924780, 11887170, 14264604, 17830755, 23774340, 35661510, 71323020]

約数ペア:

[(1, 71323020), (2, 35661510), (3, 23774340), (4, 17830755), (5, 14264604), (6, 11887170), (9, 7924780), (10, 7132302), (12, 5943585), (15, 4754868), (18, 3962390), (20, 3566151), (30, 2377434), (36, 1981195), (45, 1584956), (60, 1188717), (90, 792478), (180, 396239)]