2780981010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{161779}}^1$

素因数の和:161983

約数の個数: 48

約数和(自身を含む): 7268451840

約数和(自身を除く): 4487470830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 573, 955, 1146, 1719, 1910, 2865, 3438, 5730, 8595, 17190, 161779, 323558, 485337, 808895, 970674, 1456011, 1617790, 2426685, 2912022, 4853370, 7280055, 14560110, 30899789, 61799578, 92699367, 154498945, 185398734, 278098101, 308997890, 463496835, 556196202, 926993670, 1390490505, 2780981010]

約数ペア:

[(1, 2780981010), (2, 1390490505), (3, 926993670), (5, 556196202), (6, 463496835), (9, 308997890), (10, 278098101), (15, 185398734), (18, 154498945), (30, 92699367), (45, 61799578), (90, 30899789), (191, 14560110), (382, 7280055), (573, 4853370), (955, 2912022), (1146, 2426685), (1719, 1617790), (1910, 1456011), (2865, 970674), (3438, 808895), (5730, 485337), (8595, 323558), (17190, 161779)]