47680120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 115632000

約数和(自身を除く): 67951880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1459, 1634, 1720, 2918, 3268, 4085, 5836, 6536, 7295, 8170, 11672, 14590, 16340, 27721, 29180, 32680, 55442, 58360, 62737, 110884, 125474, 138605, 221768, 250948, 277210, 313685, 501896, 554420, 627370, 1108840, 1192003, 1254740, 2384006, 2509480, 4768012, 5960015, 9536024, 11920030, 23840060, 47680120]

約数ペア:

[(1, 47680120), (2, 23840060), (4, 11920030), (5, 9536024), (8, 5960015), (10, 4768012), (19, 2509480), (20, 2384006), (38, 1254740), (40, 1192003), (43, 1108840), (76, 627370), (86, 554420), (95, 501896), (152, 313685), (172, 277210), (190, 250948), (215, 221768), (344, 138605), (380, 125474), (430, 110884), (760, 62737), (817, 58360), (860, 55442), (1459, 32680), (1634, 29180), (1720, 27721), (2918, 16340), (3268, 14590), (4085, 11672), (5836, 8170), (6536, 7295)]