64883340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3307}}^1$

素因数の和:3431

約数の個数: 72

約数和(自身を含む): 198678480

約数和(自身を除く): 133795140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3307, 3924, 4905, 6540, 6614, 9810, 9921, 13228, 16535, 19620, 19842, 29763, 33070, 39684, 49605, 59526, 66140, 99210, 119052, 148815, 198420, 297630, 360463, 595260, 720926, 1081389, 1441852, 1802315, 2162778, 3244167, 3604630, 4325556, 5406945, 6488334, 7209260, 10813890, 12976668, 16220835, 21627780, 32441670, 64883340]

約数ペア:

[(1, 64883340), (2, 32441670), (3, 21627780), (4, 16220835), (5, 12976668), (6, 10813890), (9, 7209260), (10, 6488334), (12, 5406945), (15, 4325556), (18, 3604630), (20, 3244167), (30, 2162778), (36, 1802315), (45, 1441852), (60, 1081389), (90, 720926), (109, 595260), (180, 360463), (218, 297630), (327, 198420), (436, 148815), (545, 119052), (654, 99210), (981, 66140), (1090, 59526), (1308, 49605), (1635, 39684), (1962, 33070), (2180, 29763), (3270, 19842), (3307, 19620), (3924, 16535), (4905, 13228), (6540, 9921), (6614, 9810)]