163946720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{146381}}^1$

素因数の和:146403

約数の個数: 48

約数和(自身を含む): 442659168

約数和(自身を除く): 278712448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 146381, 292762, 585524, 731905, 1024667, 1171048, 1463810, 2049334, 2342096, 2927620, 4098668, 4684192, 5123335, 5855240, 8197336, 10246670, 11710480, 16394672, 20493340, 23420960, 32789344, 40986680, 81973360, 163946720]

約数ペア:

[(1, 163946720), (2, 81973360), (4, 40986680), (5, 32789344), (7, 23420960), (8, 20493340), (10, 16394672), (14, 11710480), (16, 10246670), (20, 8197336), (28, 5855240), (32, 5123335), (35, 4684192), (40, 4098668), (56, 2927620), (70, 2342096), (80, 2049334), (112, 1463810), (140, 1171048), (160, 1024667), (224, 731905), (280, 585524), (560, 292762), (1120, 146381)]