69781740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{166147}}^1$

素因数の和:166166

約数の個数: 48

約数和(自身を含む): 223302912

約数和(自身を除く): 153521172

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, 166147, 332294, 498441, 664588, 830735, 996882, 1163029, 1661470, 1993764, 2326058, 2492205, 3322940, 3489087, 4652116, 4984410, 5815145, 6978174, 9968820, 11630290, 13956348, 17445435, 23260580, 34890870, 69781740]

約数ペア:

[(1, 69781740), (2, 34890870), (3, 23260580), (4, 17445435), (5, 13956348), (6, 11630290), (7, 9968820), (10, 6978174), (12, 5815145), (14, 4984410), (15, 4652116), (20, 3489087), (21, 3322940), (28, 2492205), (30, 2326058), (35, 1993764), (42, 1661470), (60, 1163029), (70, 996882), (84, 830735), (105, 664588), (140, 498441), (210, 332294), (420, 166147)]