161008140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^2$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 458096688

約数和(自身を除く): 297088548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 163, 202, 303, 326, 404, 489, 505, 606, 652, 815, 978, 1010, 1212, 1515, 1630, 1956, 2020, 2445, 3030, 3260, 4890, 6060, 9780, 16463, 26569, 32926, 49389, 53138, 65852, 79707, 82315, 98778, 106276, 132845, 159414, 164630, 197556, 246945, 265690, 318828, 329260, 398535, 493890, 531380, 797070, 987780, 1594140, 2683469, 5366938, 8050407, 10733876, 13417345, 16100814, 26834690, 32201628, 40252035, 53669380, 80504070, 161008140]

約数ペア:

[(1, 161008140), (2, 80504070), (3, 53669380), (4, 40252035), (5, 32201628), (6, 26834690), (10, 16100814), (12, 13417345), (15, 10733876), (20, 8050407), (30, 5366938), (60, 2683469), (101, 1594140), (163, 987780), (202, 797070), (303, 531380), (326, 493890), (404, 398535), (489, 329260), (505, 318828), (606, 265690), (652, 246945), (815, 197556), (978, 164630), (1010, 159414), (1212, 132845), (1515, 106276), (1630, 98778), (1956, 82315), (2020, 79707), (2445, 65852), (3030, 53138), (3260, 49389), (4890, 32926), (6060, 26569), (9780, 16463)]