81570330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31253}}^1$

素因数の和:31295

約数の個数: 48

約数和(自身を含む): 219403080

約数和(自身を除く): 137832750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 31253, 62506, 93759, 156265, 187518, 281277, 312530, 468795, 562554, 906337, 937590, 1406385, 1812674, 2719011, 2812770, 4531685, 5438022, 8157033, 9063370, 13595055, 16314066, 27190110, 40785165, 81570330]

約数ペア:

[(1, 81570330), (2, 40785165), (3, 27190110), (5, 16314066), (6, 13595055), (9, 9063370), (10, 8157033), (15, 5438022), (18, 4531685), (29, 2812770), (30, 2719011), (45, 1812674), (58, 1406385), (87, 937590), (90, 906337), (145, 562554), (174, 468795), (261, 312530), (290, 281277), (435, 187518), (522, 156265), (870, 93759), (1305, 62506), (2610, 31253)]