67986875

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 60

約数和(自身を含む): 99718080

約数和(自身を除く): 31731205

約数列:

[1, 5, 11, 25, 29, 31, 55, 121, 125, 145, 155, 275, 319, 341, 605, 625, 725, 775, 899, 1375, 1595, 1705, 3025, 3509, 3625, 3751, 3875, 4495, 6875, 7975, 8525, 9889, 15125, 17545, 18125, 18755, 19375, 22475, 39875, 42625, 49445, 75625, 87725, 93775, 108779, 112375, 199375, 213125, 247225, 438625, 468875, 543895, 561875, 1236125, 2193125, 2344375, 2719475, 6180625, 13597375, 67986875]

約数ペア:

[(1, 67986875), (5, 13597375), (11, 6180625), (25, 2719475), (29, 2344375), (31, 2193125), (55, 1236125), (121, 561875), (125, 543895), (145, 468875), (155, 438625), (275, 247225), (319, 213125), (341, 199375), (605, 112375), (625, 108779), (725, 93775), (775, 87725), (899, 75625), (1375, 49445), (1595, 42625), (1705, 39875), (3025, 22475), (3509, 19375), (3625, 18755), (3751, 18125), (3875, 17545), (4495, 15125), (6875, 9889), (7975, 8525)]