2561310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 6739200

約数和(自身を除く): 4177890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 191, 298, 382, 447, 573, 745, 894, 955, 1146, 1341, 1490, 1719, 1910, 2235, 2682, 2865, 3438, 4470, 5730, 6705, 8595, 13410, 17190, 28459, 56918, 85377, 142295, 170754, 256131, 284590, 426885, 512262, 853770, 1280655, 2561310]

約数ペア:

[(1, 2561310), (2, 1280655), (3, 853770), (5, 512262), (6, 426885), (9, 284590), (10, 256131), (15, 170754), (18, 142295), (30, 85377), (45, 56918), (90, 28459), (149, 17190), (191, 13410), (298, 8595), (382, 6705), (447, 5730), (573, 4470), (745, 3438), (894, 2865), (955, 2682), (1146, 2235), (1341, 1910), (1490, 1719)]