142758840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{169951}}^1$

素因数の和:169972

約数の個数: 64

約数和(自身を含む): 489461760

約数和(自身を除く): 346702920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 169951, 339902, 509853, 679804, 849755, 1019706, 1189657, 1359608, 1699510, 2039412, 2379314, 2549265, 3399020, 3568971, 4078824, 4758628, 5098530, 5948285, 6798040, 7137942, 9517256, 10197060, 11896570, 14275884, 17844855, 20394120, 23793140, 28551768, 35689710, 47586280, 71379420, 142758840]

約数ペア:

[(1, 142758840), (2, 71379420), (3, 47586280), (4, 35689710), (5, 28551768), (6, 23793140), (7, 20394120), (8, 17844855), (10, 14275884), (12, 11896570), (14, 10197060), (15, 9517256), (20, 7137942), (21, 6798040), (24, 5948285), (28, 5098530), (30, 4758628), (35, 4078824), (40, 3568971), (42, 3399020), (56, 2549265), (60, 2379314), (70, 2039412), (84, 1699510), (105, 1359608), (120, 1189657), (140, 1019706), (168, 849755), (210, 679804), (280, 509853), (420, 339902), (840, 169951)]