85020660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1427}}^1$

素因数の和:1773

約数の個数: 72

約数和(自身を含む): 258856416

約数和(自身を除く): 173835756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1427, 1655, 1986, 2854, 2979, 3310, 3972, 4281, 4965, 5708, 5958, 6620, 7135, 8562, 9930, 11916, 12843, 14270, 14895, 17124, 19860, 21405, 25686, 28540, 29790, 42810, 51372, 59580, 64215, 85620, 128430, 256860, 472337, 944674, 1417011, 1889348, 2361685, 2834022, 4251033, 4723370, 5668044, 7085055, 8502066, 9446740, 14170110, 17004132, 21255165, 28340220, 42510330, 85020660]

約数ペア:

[(1, 85020660), (2, 42510330), (3, 28340220), (4, 21255165), (5, 17004132), (6, 14170110), (9, 9446740), (10, 8502066), (12, 7085055), (15, 5668044), (18, 4723370), (20, 4251033), (30, 2834022), (36, 2361685), (45, 1889348), (60, 1417011), (90, 944674), (180, 472337), (331, 256860), (662, 128430), (993, 85620), (1324, 64215), (1427, 59580), (1655, 51372), (1986, 42810), (2854, 29790), (2979, 28540), (3310, 25686), (3972, 21405), (4281, 19860), (4965, 17124), (5708, 14895), (5958, 14270), (6620, 12843), (7135, 11916), (8562, 9930)]