87150280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{709}}^1$

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 224928000

約数和(自身を除く): 137777720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 709, 878, 1418, 1756, 2195, 2836, 3073, 3512, 3545, 4390, 4963, 5672, 6146, 7090, 8780, 9926, 12292, 14180, 15365, 17560, 19852, 24584, 24815, 28360, 30730, 39704, 49630, 61460, 99260, 122920, 198520, 311251, 622502, 1245004, 1556255, 2178757, 2490008, 3112510, 4357514, 6225020, 8715028, 10893785, 12450040, 17430056, 21787570, 43575140, 87150280]

約数ペア:

[(1, 87150280), (2, 43575140), (4, 21787570), (5, 17430056), (7, 12450040), (8, 10893785), (10, 8715028), (14, 6225020), (20, 4357514), (28, 3112510), (35, 2490008), (40, 2178757), (56, 1556255), (70, 1245004), (140, 622502), (280, 311251), (439, 198520), (709, 122920), (878, 99260), (1418, 61460), (1756, 49630), (2195, 39704), (2836, 30730), (3073, 28360), (3512, 24815), (3545, 24584), (4390, 19852), (4963, 17560), (5672, 15365), (6146, 14180), (7090, 12292), (8780, 9926)]