8246970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2187

約数の個数: 48

約数和(自身を含む): 21951072

約数和(自身を除く): 13704102

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 2131, 3870, 4262, 6393, 10655, 12786, 19179, 21310, 31965, 38358, 63930, 91633, 95895, 183266, 191790, 274899, 458165, 549798, 824697, 916330, 1374495, 1649394, 2748990, 4123485, 8246970]

約数ペア:

[(1, 8246970), (2, 4123485), (3, 2748990), (5, 1649394), (6, 1374495), (9, 916330), (10, 824697), (15, 549798), (18, 458165), (30, 274899), (43, 191790), (45, 183266), (86, 95895), (90, 91633), (129, 63930), (215, 38358), (258, 31965), (387, 21310), (430, 19179), (645, 12786), (774, 10655), (1290, 6393), (1935, 4262), (2131, 3870)]