65480660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 161690760

約数和(自身を除く): 96210100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 613, 763, 980, 1090, 1226, 1526, 2180, 2452, 3052, 3065, 3815, 4291, 5341, 6130, 7630, 8582, 10682, 12260, 15260, 17164, 21364, 21455, 26705, 30037, 42910, 53410, 60074, 66817, 85820, 106820, 120148, 133634, 150185, 267268, 300370, 334085, 467719, 600740, 668170, 935438, 1336340, 1870876, 2338595, 3274033, 4677190, 6548066, 9354380, 13096132, 16370165, 32740330, 65480660]

約数ペア:

[(1, 65480660), (2, 32740330), (4, 16370165), (5, 13096132), (7, 9354380), (10, 6548066), (14, 4677190), (20, 3274033), (28, 2338595), (35, 1870876), (49, 1336340), (70, 935438), (98, 668170), (109, 600740), (140, 467719), (196, 334085), (218, 300370), (245, 267268), (436, 150185), (490, 133634), (545, 120148), (613, 106820), (763, 85820), (980, 66817), (1090, 60074), (1226, 53410), (1526, 42910), (2180, 30037), (2452, 26705), (3052, 21455), (3065, 21364), (3815, 17164), (4291, 15260), (5341, 12260), (6130, 10682), (7630, 8582)]