31261770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2131}}^1$

素因数の和:2307

約数の個数: 48

約数和(自身を含む): 81817632

約数和(自身を除く): 50555862

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 326, 489, 815, 978, 1467, 1630, 2131, 2445, 2934, 4262, 4890, 6393, 7335, 10655, 12786, 14670, 19179, 21310, 31965, 38358, 63930, 95895, 191790, 347353, 694706, 1042059, 1736765, 2084118, 3126177, 3473530, 5210295, 6252354, 10420590, 15630885, 31261770]

約数ペア:

[(1, 31261770), (2, 15630885), (3, 10420590), (5, 6252354), (6, 5210295), (9, 3473530), (10, 3126177), (15, 2084118), (18, 1736765), (30, 1042059), (45, 694706), (90, 347353), (163, 191790), (326, 95895), (489, 63930), (815, 38358), (978, 31965), (1467, 21310), (1630, 19179), (2131, 14670), (2445, 12786), (2934, 10655), (4262, 7335), (4890, 6393)]