66475560370

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1411

約数の個数: 64

約数和(自身を含む): 121794865920

約数和(自身を除く): 55319305550

約数列:

[1, 2, 5, 10, 103, 206, 251, 389, 502, 515, 661, 778, 1030, 1255, 1322, 1945, 2510, 3305, 3890, 6610, 25853, 40067, 51706, 68083, 80134, 97639, 129265, 136166, 165911, 195278, 200335, 257129, 258530, 331822, 340415, 400670, 488195, 514258, 680830, 829555, 976390, 1285645, 1659110, 2571290, 10056817, 17088833, 20113634, 26484287, 34177666, 50284085, 52968574, 64539379, 85444165, 100568170, 129078758, 132421435, 170888330, 264842870, 322696895, 645393790, 6647556037, 13295112074, 33237780185, 66475560370]

約数ペア:

[(1, 66475560370), (2, 33237780185), (5, 13295112074), (10, 6647556037), (103, 645393790), (206, 322696895), (251, 264842870), (389, 170888330), (502, 132421435), (515, 129078758), (661, 100568170), (778, 85444165), (1030, 64539379), (1255, 52968574), (1322, 50284085), (1945, 34177666), (2510, 26484287), (3305, 20113634), (3890, 17088833), (6610, 10056817), (25853, 2571290), (40067, 1659110), (51706, 1285645), (68083, 976390), (80134, 829555), (97639, 680830), (129265, 514258), (136166, 488195), (165911, 400670), (195278, 340415), (200335, 331822), (257129, 258530)]