66726520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1427}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 106004360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1427, 1670, 2338, 2854, 3340, 4676, 5708, 5845, 6680, 7135, 9352, 9989, 11416, 11690, 14270, 19978, 23380, 28540, 39956, 46760, 49945, 57080, 79912, 99890, 199780, 238309, 399560, 476618, 953236, 1191545, 1668163, 1906472, 2383090, 3336326, 4766180, 6672652, 8340815, 9532360, 13345304, 16681630, 33363260, 66726520]

約数ペア:

[(1, 66726520), (2, 33363260), (4, 16681630), (5, 13345304), (7, 9532360), (8, 8340815), (10, 6672652), (14, 4766180), (20, 3336326), (28, 2383090), (35, 1906472), (40, 1668163), (56, 1191545), (70, 953236), (140, 476618), (167, 399560), (280, 238309), (334, 199780), (668, 99890), (835, 79912), (1169, 57080), (1336, 49945), (1427, 46760), (1670, 39956), (2338, 28540), (2854, 23380), (3340, 19978), (4676, 14270), (5708, 11690), (5845, 11416), (6680, 9989), (7135, 9352)]