161918610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{919}}^1$

素因数の和:1775

約数の個数: 64

約数和(自身を含む): 445132800

約数和(自身を除く): 283214190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 839, 919, 1678, 1838, 2517, 2757, 4195, 4595, 5034, 5514, 5873, 6433, 8390, 9190, 11746, 12585, 12866, 13785, 17619, 19299, 25170, 27570, 29365, 32165, 35238, 38598, 58730, 64330, 88095, 96495, 176190, 192990, 771041, 1542082, 2313123, 3855205, 4626246, 5397287, 7710410, 10794574, 11565615, 16191861, 23131230, 26986435, 32383722, 53972870, 80959305, 161918610]

約数ペア:

[(1, 161918610), (2, 80959305), (3, 53972870), (5, 32383722), (6, 26986435), (7, 23131230), (10, 16191861), (14, 11565615), (15, 10794574), (21, 7710410), (30, 5397287), (35, 4626246), (42, 3855205), (70, 2313123), (105, 1542082), (210, 771041), (839, 192990), (919, 176190), (1678, 96495), (1838, 88095), (2517, 64330), (2757, 58730), (4195, 38598), (4595, 35238), (5034, 32165), (5514, 29365), (5873, 27570), (6433, 25170), (8390, 19299), (9190, 17619), (11746, 13785), (12585, 12866)]