155728880

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5881}}^1$

素因数の和:6225

約数の個数: 40

約数和(自身を含む): 363225264

約数和(自身を除く): 207496384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 5881, 6620, 11762, 13240, 23524, 26480, 29405, 47048, 58810, 94096, 117620, 235240, 470480, 1946611, 3893222, 7786444, 9733055, 15572888, 19466110, 31145776, 38932220, 77864440, 155728880]

約数ペア:

[(1, 155728880), (2, 77864440), (4, 38932220), (5, 31145776), (8, 19466110), (10, 15572888), (16, 9733055), (20, 7786444), (40, 3893222), (80, 1946611), (331, 470480), (662, 235240), (1324, 117620), (1655, 94096), (2648, 58810), (3310, 47048), (5296, 29405), (5881, 26480), (6620, 23524), (11762, 13240)]