81669690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4751}}^1$

素因数の和:4955

約数の個数: 48

約数和(自身を含む): 213497856

約数和(自身を除く): 131828166

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 573, 955, 1146, 1719, 1910, 2865, 3438, 4751, 5730, 8595, 9502, 14253, 17190, 23755, 28506, 42759, 47510, 71265, 85518, 142530, 213795, 427590, 907441, 1814882, 2722323, 4537205, 5444646, 8166969, 9074410, 13611615, 16333938, 27223230, 40834845, 81669690]

約数ペア:

[(1, 81669690), (2, 40834845), (3, 27223230), (5, 16333938), (6, 13611615), (9, 9074410), (10, 8166969), (15, 5444646), (18, 4537205), (30, 2722323), (45, 1814882), (90, 907441), (191, 427590), (382, 213795), (573, 142530), (955, 85518), (1146, 71265), (1719, 47510), (1910, 42759), (2865, 28506), (3438, 23755), (4751, 17190), (5730, 14253), (8595, 9502)]