128377740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3307}}^1$

素因数の和:3966

約数の個数: 48

約数和(自身を含む): 360122112

約数和(自身を除く): 231744372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 1294, 1941, 2588, 3235, 3307, 3882, 6470, 6614, 7764, 9705, 9921, 12940, 13228, 16535, 19410, 19842, 33070, 38820, 39684, 49605, 66140, 99210, 198420, 2139629, 4279258, 6418887, 8558516, 10698145, 12837774, 21396290, 25675548, 32094435, 42792580, 64188870, 128377740]

約数ペア:

[(1, 128377740), (2, 64188870), (3, 42792580), (4, 32094435), (5, 25675548), (6, 21396290), (10, 12837774), (12, 10698145), (15, 8558516), (20, 6418887), (30, 4279258), (60, 2139629), (647, 198420), (1294, 99210), (1941, 66140), (2588, 49605), (3235, 39684), (3307, 38820), (3882, 33070), (6470, 19842), (6614, 19410), (7764, 16535), (9705, 13228), (9921, 12940)]