155010520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79087}}^1$

素因数の和:79112

約数の個数: 48

約数和(自身を含む): 405721440

約数和(自身を除く): 250710920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 79087, 158174, 316348, 395435, 553609, 632696, 790870, 1107218, 1581740, 2214436, 2768045, 3163480, 3875263, 4428872, 5536090, 7750526, 11072180, 15501052, 19376315, 22144360, 31002104, 38752630, 77505260, 155010520]

約数ペア:

[(1, 155010520), (2, 77505260), (4, 38752630), (5, 31002104), (7, 22144360), (8, 19376315), (10, 15501052), (14, 11072180), (20, 7750526), (28, 5536090), (35, 4428872), (40, 3875263), (49, 3163480), (56, 2768045), (70, 2214436), (98, 1581740), (140, 1107218), (196, 790870), (245, 632696), (280, 553609), (392, 395435), (490, 316348), (980, 158174), (1960, 79087)]