154988880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{645787}}^1$

素因数の和:645803

約数の個数: 40

約数和(自身を含む): 480466272

約数和(自身を除く): 325477392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 645787, 1291574, 1937361, 2583148, 3228935, 3874722, 5166296, 6457870, 7749444, 9686805, 10332592, 12915740, 15498888, 19373610, 25831480, 30997776, 38747220, 51662960, 77494440, 154988880]

約数ペア:

[(1, 154988880), (2, 77494440), (3, 51662960), (4, 38747220), (5, 30997776), (6, 25831480), (8, 19373610), (10, 15498888), (12, 12915740), (15, 10332592), (16, 9686805), (20, 7749444), (24, 6457870), (30, 5166296), (40, 3874722), (48, 3228935), (60, 2583148), (80, 1937361), (120, 1291574), (240, 645787)]