121710320

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3911}}^1$

素因数の和:4313

約数の個数: 40

約数和(自身を含む): 283776480

約数和(自身を除く): 162066160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 3911, 6224, 7780, 7822, 15560, 15644, 19555, 31120, 31288, 39110, 62576, 78220, 156440, 312880, 1521379, 3042758, 6085516, 7606895, 12171032, 15213790, 24342064, 30427580, 60855160, 121710320]

約数ペア:

[(1, 121710320), (2, 60855160), (4, 30427580), (5, 24342064), (8, 15213790), (10, 12171032), (16, 7606895), (20, 6085516), (40, 3042758), (80, 1521379), (389, 312880), (778, 156440), (1556, 78220), (1945, 62576), (3112, 39110), (3890, 31288), (3911, 31120), (6224, 19555), (7780, 15644), (7822, 15560)]