71905020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{108947}}^1$

素因数の和:108970

約数の個数: 48

約数和(自身を含む): 219639168

約数和(自身を除く): 147734148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 108947, 217894, 326841, 435788, 544735, 653682, 1089470, 1198417, 1307364, 1634205, 2178940, 2396834, 3268410, 3595251, 4793668, 5992085, 6536820, 7190502, 11984170, 14381004, 17976255, 23968340, 35952510, 71905020]

約数ペア:

[(1, 71905020), (2, 35952510), (3, 23968340), (4, 17976255), (5, 14381004), (6, 11984170), (10, 7190502), (11, 6536820), (12, 5992085), (15, 4793668), (20, 3595251), (22, 3268410), (30, 2396834), (33, 2178940), (44, 1634205), (55, 1307364), (60, 1198417), (66, 1089470), (110, 653682), (132, 544735), (165, 435788), (220, 326841), (330, 217894), (660, 108947)]