220129020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1427}}^1$

素因数の和:2299

約数の個数: 72

約数和(自身を含む): 668972304

約数和(自身を除く): 448843284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 857, 1427, 1714, 2571, 2854, 3428, 4281, 4285, 5142, 5708, 7135, 7713, 8562, 8570, 10284, 12843, 12855, 14270, 15426, 17124, 17140, 21405, 25686, 25710, 28540, 30852, 38565, 42810, 51372, 51420, 64215, 77130, 85620, 128430, 154260, 256860, 1222939, 2445878, 3668817, 4891756, 6114695, 7337634, 11006451, 12229390, 14675268, 18344085, 22012902, 24458780, 36688170, 44025804, 55032255, 73376340, 110064510, 220129020]

約数ペア:

[(1, 220129020), (2, 110064510), (3, 73376340), (4, 55032255), (5, 44025804), (6, 36688170), (9, 24458780), (10, 22012902), (12, 18344085), (15, 14675268), (18, 12229390), (20, 11006451), (30, 7337634), (36, 6114695), (45, 4891756), (60, 3668817), (90, 2445878), (180, 1222939), (857, 256860), (1427, 154260), (1714, 128430), (2571, 85620), (2854, 77130), (3428, 64215), (4281, 51420), (4285, 51372), (5142, 42810), (5708, 38565), (7135, 30852), (7713, 28540), (8562, 25710), (8570, 25686), (10284, 21405), (12843, 17140), (12855, 17124), (14270, 15426)]