2991510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 7969104

約数和(自身を除く): 4977594

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 773, 774, 1290, 1546, 1935, 2319, 3865, 3870, 4638, 6957, 7730, 11595, 13914, 23190, 33239, 34785, 66478, 69570, 99717, 166195, 199434, 299151, 332390, 498585, 598302, 997170, 1495755, 2991510]

約数ペア:

[(1, 2991510), (2, 1495755), (3, 997170), (5, 598302), (6, 498585), (9, 332390), (10, 299151), (15, 199434), (18, 166195), (30, 99717), (43, 69570), (45, 66478), (86, 34785), (90, 33239), (129, 23190), (215, 13914), (258, 11595), (387, 7730), (430, 6957), (645, 4638), (773, 3870), (774, 3865), (1290, 2319), (1546, 1935)]