166188420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1427}}^1$

素因数の和:2089

約数の個数: 72

約数和(自身を含む): 505237824

約数和(自身を除く): 339049404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1427, 1941, 2588, 2854, 3235, 3882, 4281, 5708, 5823, 6470, 7135, 7764, 8562, 9705, 11646, 12843, 12940, 14270, 17124, 19410, 21405, 23292, 25686, 28540, 29115, 38820, 42810, 51372, 58230, 64215, 85620, 116460, 128430, 256860, 923269, 1846538, 2769807, 3693076, 4616345, 5539614, 8309421, 9232690, 11079228, 13849035, 16618842, 18465380, 27698070, 33237684, 41547105, 55396140, 83094210, 166188420]

約数ペア:

[(1, 166188420), (2, 83094210), (3, 55396140), (4, 41547105), (5, 33237684), (6, 27698070), (9, 18465380), (10, 16618842), (12, 13849035), (15, 11079228), (18, 9232690), (20, 8309421), (30, 5539614), (36, 4616345), (45, 3693076), (60, 2769807), (90, 1846538), (180, 923269), (647, 256860), (1294, 128430), (1427, 116460), (1941, 85620), (2588, 64215), (2854, 58230), (3235, 51372), (3882, 42810), (4281, 38820), (5708, 29115), (5823, 28540), (6470, 25686), (7135, 23292), (7764, 21405), (8562, 19410), (9705, 17124), (11646, 14270), (12843, 12940)]