71789080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{677}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 177202080

約数和(自身を除く): 105413000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 440, 482, 677, 964, 1205, 1354, 1928, 2410, 2651, 2708, 3385, 4820, 5302, 5416, 6770, 7447, 9640, 10604, 13255, 13540, 14894, 21208, 26510, 27080, 29788, 37235, 53020, 59576, 74470, 106040, 148940, 163157, 297880, 326314, 652628, 815785, 1305256, 1631570, 1794727, 3263140, 3589454, 6526280, 7178908, 8973635, 14357816, 17947270, 35894540, 71789080]

約数ペア:

[(1, 71789080), (2, 35894540), (4, 17947270), (5, 14357816), (8, 8973635), (10, 7178908), (11, 6526280), (20, 3589454), (22, 3263140), (40, 1794727), (44, 1631570), (55, 1305256), (88, 815785), (110, 652628), (220, 326314), (241, 297880), (440, 163157), (482, 148940), (677, 106040), (964, 74470), (1205, 59576), (1354, 53020), (1928, 37235), (2410, 29788), (2651, 27080), (2708, 26510), (3385, 21208), (4820, 14894), (5302, 13540), (5416, 13255), (6770, 10604), (7447, 9640)]