179638520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 419696640

約数和(自身を除く): 240058120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1420, 1471, 1720, 2840, 2942, 3053, 5884, 6106, 7355, 11768, 12212, 14710, 15265, 24424, 29420, 30530, 58840, 61060, 63253, 104441, 122120, 126506, 208882, 253012, 316265, 417764, 506024, 522205, 632530, 835528, 1044410, 1265060, 2088820, 2530120, 4177640, 4490963, 8981926, 17963852, 22454815, 35927704, 44909630, 89819260, 179638520]

約数ペア:

[(1, 179638520), (2, 89819260), (4, 44909630), (5, 35927704), (8, 22454815), (10, 17963852), (20, 8981926), (40, 4490963), (43, 4177640), (71, 2530120), (86, 2088820), (142, 1265060), (172, 1044410), (215, 835528), (284, 632530), (344, 522205), (355, 506024), (430, 417764), (568, 316265), (710, 253012), (860, 208882), (1420, 126506), (1471, 122120), (1720, 104441), (2840, 63253), (2942, 61060), (3053, 58840), (5884, 30530), (6106, 29420), (7355, 24424), (11768, 15265), (12212, 14710)]