31215697890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{205759}}^1$

素因数の和:206171

約数の個数: 64

約数和(自身を含む): 80888371200

約数和(自身を除く): 49672673310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 389, 390, 778, 1167, 1945, 2334, 3890, 5057, 5835, 10114, 11670, 15171, 25285, 30342, 50570, 75855, 151710, 205759, 411518, 617277, 1028795, 1234554, 2057590, 2674867, 3086385, 5349734, 6172770, 8024601, 13374335, 16049202, 26748670, 40123005, 80040251, 80246010, 160080502, 240120753, 400201255, 480241506, 800402510, 1040523263, 1200603765, 2081046526, 2401207530, 3121569789, 5202616315, 6243139578, 10405232630, 15607848945, 31215697890]

約数ペア:

[(1, 31215697890), (2, 15607848945), (3, 10405232630), (5, 6243139578), (6, 5202616315), (10, 3121569789), (13, 2401207530), (15, 2081046526), (26, 1200603765), (30, 1040523263), (39, 800402510), (65, 480241506), (78, 400201255), (130, 240120753), (195, 160080502), (389, 80246010), (390, 80040251), (778, 40123005), (1167, 26748670), (1945, 16049202), (2334, 13374335), (3890, 8024601), (5057, 6172770), (5835, 5349734), (10114, 3086385), (11670, 2674867), (15171, 2057590), (25285, 1234554), (30342, 1028795), (50570, 617277), (75855, 411518), (151710, 205759)]