1780491760

素因数分解:

$2^4\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{14537}}^1$

素因数の和:16081

約数の個数: 40

約数和(自身を含む): 4142632176

約数和(自身を除く): 2362140416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1531, 3062, 6124, 7655, 12248, 14537, 15310, 24496, 29074, 30620, 58148, 61240, 72685, 116296, 122480, 145370, 232592, 290740, 581480, 1162960, 22256147, 44512294, 89024588, 111280735, 178049176, 222561470, 356098352, 445122940, 890245880, 1780491760]

約数ペア:

[(1, 1780491760), (2, 890245880), (4, 445122940), (5, 356098352), (8, 222561470), (10, 178049176), (16, 111280735), (20, 89024588), (40, 44512294), (80, 22256147), (1531, 1162960), (3062, 581480), (6124, 290740), (7655, 232592), (12248, 145370), (14537, 122480), (15310, 116296), (24496, 72685), (29074, 61240), (30620, 58148)]