64894060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42139}}^1$

素因数の和:42166

約数の個数: 48

約数和(自身を含む): 169908480

約数和(自身を除く): 105014420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 42139, 84278, 168556, 210695, 294973, 421390, 463529, 589946, 842780, 927058, 1179892, 1474865, 1854116, 2317645, 2949730, 3244703, 4635290, 5899460, 6489406, 9270580, 12978812, 16223515, 32447030, 64894060]

約数ペア:

[(1, 64894060), (2, 32447030), (4, 16223515), (5, 12978812), (7, 9270580), (10, 6489406), (11, 5899460), (14, 4635290), (20, 3244703), (22, 2949730), (28, 2317645), (35, 1854116), (44, 1474865), (55, 1179892), (70, 927058), (77, 842780), (110, 589946), (140, 463529), (154, 421390), (220, 294973), (308, 210695), (385, 168556), (770, 84278), (1540, 42139)]