80841720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15667}}^1$

素因数の和:15724

約数の個数: 64

約数和(自身を含む): 248181120

約数和(自身を除く): 167339400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15667, 31334, 47001, 62668, 78335, 94002, 125336, 156670, 188004, 235005, 313340, 376008, 470010, 626680, 673681, 940020, 1347362, 1880040, 2021043, 2694724, 3368405, 4042086, 5389448, 6736810, 8084172, 10105215, 13473620, 16168344, 20210430, 26947240, 40420860, 80841720]

約数ペア:

[(1, 80841720), (2, 40420860), (3, 26947240), (4, 20210430), (5, 16168344), (6, 13473620), (8, 10105215), (10, 8084172), (12, 6736810), (15, 5389448), (20, 4042086), (24, 3368405), (30, 2694724), (40, 2021043), (43, 1880040), (60, 1347362), (86, 940020), (120, 673681), (129, 626680), (172, 470010), (215, 376008), (258, 313340), (344, 235005), (430, 188004), (516, 156670), (645, 125336), (860, 94002), (1032, 78335), (1290, 62668), (1720, 47001), (2580, 31334), (5160, 15667)]