15874540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 37013760

約数和(自身を除く): 21139220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1223, 1298, 2446, 2596, 3245, 4892, 6115, 6490, 12230, 12980, 13453, 24460, 26906, 53812, 67265, 72157, 134530, 144314, 269060, 288628, 360785, 721570, 793727, 1443140, 1587454, 3174908, 3968635, 7937270, 15874540]

約数ペア:

[(1, 15874540), (2, 7937270), (4, 3968635), (5, 3174908), (10, 1587454), (11, 1443140), (20, 793727), (22, 721570), (44, 360785), (55, 288628), (59, 269060), (110, 144314), (118, 134530), (220, 72157), (236, 67265), (295, 53812), (590, 26906), (649, 24460), (1180, 13453), (1223, 12980), (1298, 12230), (2446, 6490), (2596, 6115), (3245, 4892)]