72028180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{22369}}^1$

素因数の和:22408

約数の個数: 48

約数和(自身を含む): 180391680

約数和(自身を除く): 108363500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 22369, 44738, 89476, 111845, 156583, 223690, 313166, 447380, 514487, 626332, 782915, 1028974, 1565830, 2057948, 2572435, 3131660, 3601409, 5144870, 7202818, 10289740, 14405636, 18007045, 36014090, 72028180]

約数ペア:

[(1, 72028180), (2, 36014090), (4, 18007045), (5, 14405636), (7, 10289740), (10, 7202818), (14, 5144870), (20, 3601409), (23, 3131660), (28, 2572435), (35, 2057948), (46, 1565830), (70, 1028974), (92, 782915), (115, 626332), (140, 514487), (161, 447380), (230, 313166), (322, 223690), (460, 156583), (644, 111845), (805, 89476), (1610, 44738), (3220, 22369)]