320491351740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{763074647}}^1$

素因数の和:763074666

約数の個数: 48

約数和(自身を含む): 1025572326912

約数和(自身を除く): 705080975172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 763074647, 1526149294, 2289223941, 3052298588, 3815373235, 4578447882, 5341522529, 7630746470, 9156895764, 10683045058, 11446119705, 15261492940, 16024567587, 21366090116, 22892239410, 26707612645, 32049135174, 45784478820, 53415225290, 64098270348, 80122837935, 106830450580, 160245675870, 320491351740]

約数ペア:

[(1, 320491351740), (2, 160245675870), (3, 106830450580), (4, 80122837935), (5, 64098270348), (6, 53415225290), (7, 45784478820), (10, 32049135174), (12, 26707612645), (14, 22892239410), (15, 21366090116), (20, 16024567587), (21, 15261492940), (28, 11446119705), (30, 10683045058), (35, 9156895764), (42, 7630746470), (60, 5341522529), (70, 4578447882), (84, 3815373235), (105, 3052298588), (140, 2289223941), (210, 1526149294), (420, 763074647)]