217352340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1409}}^1$

素因数の和:2281

約数の個数: 72

約数和(自身を含む): 660539880

約数和(自身を除く): 443187540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 857, 1409, 1714, 2571, 2818, 3428, 4227, 4285, 5142, 5636, 7045, 7713, 8454, 8570, 10284, 12681, 12855, 14090, 15426, 16908, 17140, 21135, 25362, 25710, 28180, 30852, 38565, 42270, 50724, 51420, 63405, 77130, 84540, 126810, 154260, 253620, 1207513, 2415026, 3622539, 4830052, 6037565, 7245078, 10867617, 12075130, 14490156, 18112695, 21735234, 24150260, 36225390, 43470468, 54338085, 72450780, 108676170, 217352340]

約数ペア:

[(1, 217352340), (2, 108676170), (3, 72450780), (4, 54338085), (5, 43470468), (6, 36225390), (9, 24150260), (10, 21735234), (12, 18112695), (15, 14490156), (18, 12075130), (20, 10867617), (30, 7245078), (36, 6037565), (45, 4830052), (60, 3622539), (90, 2415026), (180, 1207513), (857, 253620), (1409, 154260), (1714, 126810), (2571, 84540), (2818, 77130), (3428, 63405), (4227, 51420), (4285, 50724), (5142, 42270), (5636, 38565), (7045, 30852), (7713, 28180), (8454, 25710), (8570, 25362), (10284, 21135), (12681, 17140), (12855, 16908), (14090, 15426)]