15820404880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{89119}}^1$

素因数の和:89456

約数の個数: 80

約数和(自身を含む): 42170158080

約数和(自身を除く): 26349753200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 317, 560, 634, 1268, 1585, 2219, 2536, 3170, 4438, 5072, 6340, 8876, 11095, 12680, 17752, 22190, 25360, 35504, 44380, 88760, 89119, 177520, 178238, 356476, 445595, 623833, 712952, 891190, 1247666, 1425904, 1782380, 2495332, 3119165, 3564760, 4990664, 6238330, 7129520, 9981328, 12476660, 24953320, 28250723, 49906640, 56501446, 113002892, 141253615, 197755061, 226005784, 282507230, 395510122, 452011568, 565014460, 791020244, 988775305, 1130028920, 1582040488, 1977550610, 2260057840, 3164080976, 3955101220, 7910202440, 15820404880]

約数ペア:

[(1, 15820404880), (2, 7910202440), (4, 3955101220), (5, 3164080976), (7, 2260057840), (8, 1977550610), (10, 1582040488), (14, 1130028920), (16, 988775305), (20, 791020244), (28, 565014460), (35, 452011568), (40, 395510122), (56, 282507230), (70, 226005784), (80, 197755061), (112, 141253615), (140, 113002892), (280, 56501446), (317, 49906640), (560, 28250723), (634, 24953320), (1268, 12476660), (1585, 9981328), (2219, 7129520), (2536, 6238330), (3170, 4990664), (4438, 3564760), (5072, 3119165), (6340, 2495332), (8876, 1782380), (11095, 1425904), (12680, 1247666), (17752, 891190), (22190, 712952), (25360, 623833), (35504, 445595), (44380, 356476), (88760, 178238), (89119, 177520)]