123263680

素因数分解:

$2^6\times 5^1\times {\mathrm{385199}}^1$

素因数の和:385216

約数の個数: 28

約数和(自身を含む): 293522400

約数和(自身を除く): 170258720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 385199, 770398, 1540796, 1925995, 3081592, 3851990, 6163184, 7703980, 12326368, 15407960, 24652736, 30815920, 61631840, 123263680]

約数ペア:

[(1, 123263680), (2, 61631840), (4, 30815920), (5, 24652736), (8, 15407960), (10, 12326368), (16, 7703980), (20, 6163184), (32, 3851990), (40, 3081592), (64, 1925995), (80, 1540796), (160, 770398), (320, 385199)]