121111689680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{640667}}^1$

素因数の和:640836

約数の個数: 80

約数和(自身を含む): 300293904960

約数和(自身を除く): 179182215280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 340, 556, 680, 695, 1112, 1360, 1390, 2224, 2363, 2780, 4726, 5560, 9452, 11120, 11815, 18904, 23630, 37808, 47260, 94520, 189040, 640667, 1281334, 2562668, 3203335, 5125336, 6406670, 10250672, 10891339, 12813340, 21782678, 25626680, 43565356, 51253360, 54456695, 87130712, 89052713, 108913390, 174261424, 178105426, 217826780, 356210852, 435653560, 445263565, 712421704, 871307120, 890527130, 1424843408, 1513896121, 1781054260, 3027792242, 3562108520, 6055584484, 7124217040, 7569480605, 12111168968, 15138961210, 24222337936, 30277922420, 60555844840, 121111689680]

約数ペア:

[(1, 121111689680), (2, 60555844840), (4, 30277922420), (5, 24222337936), (8, 15138961210), (10, 12111168968), (16, 7569480605), (17, 7124217040), (20, 6055584484), (34, 3562108520), (40, 3027792242), (68, 1781054260), (80, 1513896121), (85, 1424843408), (136, 890527130), (139, 871307120), (170, 712421704), (272, 445263565), (278, 435653560), (340, 356210852), (556, 217826780), (680, 178105426), (695, 174261424), (1112, 108913390), (1360, 89052713), (1390, 87130712), (2224, 54456695), (2363, 51253360), (2780, 43565356), (4726, 25626680), (5560, 21782678), (9452, 12813340), (11120, 10891339), (11815, 10250672), (18904, 6406670), (23630, 5125336), (37808, 3203335), (47260, 2562668), (94520, 1281334), (189040, 640667)]