121657240

素因数分解:

$2^3\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{1997}}^1$

素因数の和:3531

約数の個数: 32

約数和(自身を含む): 274045680

約数和(自身を除く): 152388440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1523, 1997, 3046, 3994, 6092, 7615, 7988, 9985, 12184, 15230, 15976, 19970, 30460, 39940, 60920, 79880, 3041431, 6082862, 12165724, 15207155, 24331448, 30414310, 60828620, 121657240]

約数ペア:

[(1, 121657240), (2, 60828620), (4, 30414310), (5, 24331448), (8, 15207155), (10, 12165724), (20, 6082862), (40, 3041431), (1523, 79880), (1997, 60920), (3046, 39940), (3994, 30460), (6092, 19970), (7615, 15976), (7988, 15230), (9985, 12184)]