154999920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{645833}}^1$

素因数の和:645849

約数の個数: 40

約数和(自身を含む): 480500496

約数和(自身を除く): 325500576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 645833, 1291666, 1937499, 2583332, 3229165, 3874998, 5166664, 6458330, 7749996, 9687495, 10333328, 12916660, 15499992, 19374990, 25833320, 30999984, 38749980, 51666640, 77499960, 154999920]

約数ペア:

[(1, 154999920), (2, 77499960), (3, 51666640), (4, 38749980), (5, 30999984), (6, 25833320), (8, 19374990), (10, 15499992), (12, 12916660), (15, 10333328), (16, 9687495), (20, 7749996), (24, 6458330), (30, 5166664), (40, 3874998), (48, 3229165), (60, 2583332), (80, 1937499), (120, 1291666), (240, 645833)]