81427020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{3911}}^1$

素因数の和:4270

約数の個数: 48

約数和(自身を含む): 228711168

約数和(自身を除く): 147284148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 694, 1041, 1388, 1735, 2082, 3470, 3911, 4164, 5205, 6940, 7822, 10410, 11733, 15644, 19555, 20820, 23466, 39110, 46932, 58665, 78220, 117330, 234660, 1357117, 2714234, 4071351, 5428468, 6785585, 8142702, 13571170, 16285404, 20356755, 27142340, 40713510, 81427020]

約数ペア:

[(1, 81427020), (2, 40713510), (3, 27142340), (4, 20356755), (5, 16285404), (6, 13571170), (10, 8142702), (12, 6785585), (15, 5428468), (20, 4071351), (30, 2714234), (60, 1357117), (347, 234660), (694, 117330), (1041, 78220), (1388, 58665), (1735, 46932), (2082, 39110), (3470, 23466), (3911, 20820), (4164, 19555), (5205, 15644), (6940, 11733), (7822, 10410)]