78066660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185873}}^1$

素因数の和:185892

約数の個数: 48

約数和(自身を含む): 249814656

約数和(自身を除く): 171747996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185873, 371746, 557619, 743492, 929365, 1115238, 1301111, 1858730, 2230476, 2602222, 2788095, 3717460, 3903333, 5204444, 5576190, 6505555, 7806666, 11152380, 13011110, 15613332, 19516665, 26022220, 39033330, 78066660]

約数ペア:

[(1, 78066660), (2, 39033330), (3, 26022220), (4, 19516665), (5, 15613332), (6, 13011110), (7, 11152380), (10, 7806666), (12, 6505555), (14, 5576190), (15, 5204444), (20, 3903333), (21, 3717460), (28, 2788095), (30, 2602222), (35, 2230476), (42, 1858730), (60, 1301111), (70, 1115238), (84, 929365), (105, 743492), (140, 557619), (210, 371746), (420, 185873)]