71608740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170497}}^1$

素因数の和:170516

約数の個数: 48

約数和(自身を含む): 229149312

約数和(自身を除く): 157540572

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, 170497, 340994, 511491, 681988, 852485, 1022982, 1193479, 1704970, 2045964, 2386958, 2557455, 3409940, 3580437, 4773916, 5114910, 5967395, 7160874, 10229820, 11934790, 14321748, 17902185, 23869580, 35804370, 71608740]

約数ペア:

[(1, 71608740), (2, 35804370), (3, 23869580), (4, 17902185), (5, 14321748), (6, 11934790), (7, 10229820), (10, 7160874), (12, 5967395), (14, 5114910), (15, 4773916), (20, 3580437), (21, 3409940), (28, 2557455), (30, 2386958), (35, 2045964), (42, 1704970), (60, 1193479), (70, 1022982), (84, 852485), (105, 681988), (140, 511491), (210, 340994), (420, 170497)]