865740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 2483712

約数和(自身を除く): 1617972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 307, 470, 564, 614, 705, 921, 940, 1228, 1410, 1535, 1842, 2820, 3070, 3684, 4605, 6140, 9210, 14429, 18420, 28858, 43287, 57716, 72145, 86574, 144290, 173148, 216435, 288580, 432870, 865740]

約数ペア:

[(1, 865740), (2, 432870), (3, 288580), (4, 216435), (5, 173148), (6, 144290), (10, 86574), (12, 72145), (15, 57716), (20, 43287), (30, 28858), (47, 18420), (60, 14429), (94, 9210), (141, 6140), (188, 4605), (235, 3684), (282, 3070), (307, 2820), (470, 1842), (564, 1535), (614, 1410), (705, 1228), (921, 940)]