12678570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 33190560

約数和(自身を除く): 20511990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 179, 358, 537, 787, 895, 1074, 1574, 1611, 1790, 2361, 2685, 3222, 3935, 4722, 5370, 7083, 7870, 8055, 11805, 14166, 16110, 23610, 35415, 70830, 140873, 281746, 422619, 704365, 845238, 1267857, 1408730, 2113095, 2535714, 4226190, 6339285, 12678570]

約数ペア:

[(1, 12678570), (2, 6339285), (3, 4226190), (5, 2535714), (6, 2113095), (9, 1408730), (10, 1267857), (15, 845238), (18, 704365), (30, 422619), (45, 281746), (90, 140873), (179, 70830), (358, 35415), (537, 23610), (787, 16110), (895, 14166), (1074, 11805), (1574, 8055), (1611, 7870), (1790, 7083), (2361, 5370), (2685, 4722), (3222, 3935)]