291540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 842688

約数和(自身を除く): 551148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 113, 129, 172, 215, 226, 258, 339, 430, 452, 516, 565, 645, 678, 860, 1130, 1290, 1356, 1695, 2260, 2580, 3390, 4859, 6780, 9718, 14577, 19436, 24295, 29154, 48590, 58308, 72885, 97180, 145770, 291540]

約数ペア:

[(1, 291540), (2, 145770), (3, 97180), (4, 72885), (5, 58308), (6, 48590), (10, 29154), (12, 24295), (15, 19436), (20, 14577), (30, 9718), (43, 6780), (60, 4859), (86, 3390), (113, 2580), (129, 2260), (172, 1695), (215, 1356), (226, 1290), (258, 1130), (339, 860), (430, 678), (452, 645), (516, 565)]