12855720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 26024280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 719, 745, 894, 1192, 1438, 1490, 1788, 2157, 2235, 2876, 2980, 3576, 3595, 4314, 4470, 5752, 5960, 7190, 8628, 8940, 10785, 14380, 17256, 17880, 21570, 28760, 43140, 86280, 107131, 214262, 321393, 428524, 535655, 642786, 857048, 1071310, 1285572, 1606965, 2142620, 2571144, 3213930, 4285240, 6427860, 12855720]

約数ペア:

[(1, 12855720), (2, 6427860), (3, 4285240), (4, 3213930), (5, 2571144), (6, 2142620), (8, 1606965), (10, 1285572), (12, 1071310), (15, 857048), (20, 642786), (24, 535655), (30, 428524), (40, 321393), (60, 214262), (120, 107131), (149, 86280), (298, 43140), (447, 28760), (596, 21570), (719, 17880), (745, 17256), (894, 14380), (1192, 10785), (1438, 8940), (1490, 8628), (1788, 7190), (2157, 5960), (2235, 5752), (2876, 4470), (2980, 4314), (3576, 3595)]