87344820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3491}}^1$

素因数の和:3645

約数の個数: 72

約数和(自身を含む): 266928480

約数和(自身を除く): 179583660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 3491, 4170, 5004, 6255, 6982, 8340, 10473, 12510, 13964, 17455, 20946, 25020, 31419, 34910, 41892, 52365, 62838, 69820, 104730, 125676, 157095, 209460, 314190, 485249, 628380, 970498, 1455747, 1940996, 2426245, 2911494, 4367241, 4852490, 5822988, 7278735, 8734482, 9704980, 14557470, 17468964, 21836205, 29114940, 43672410, 87344820]

約数ペア:

[(1, 87344820), (2, 43672410), (3, 29114940), (4, 21836205), (5, 17468964), (6, 14557470), (9, 9704980), (10, 8734482), (12, 7278735), (15, 5822988), (18, 4852490), (20, 4367241), (30, 2911494), (36, 2426245), (45, 1940996), (60, 1455747), (90, 970498), (139, 628380), (180, 485249), (278, 314190), (417, 209460), (556, 157095), (695, 125676), (834, 104730), (1251, 69820), (1390, 62838), (1668, 52365), (2085, 41892), (2502, 34910), (2780, 31419), (3491, 25020), (4170, 20946), (5004, 17455), (6255, 13964), (6982, 12510), (8340, 10473)]