15145720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5333}}^1$

素因数の和:5415

約数の個数: 32

約数和(自身を含む): 34564320

約数和(自身を除く): 19418600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5333, 10666, 21332, 26665, 42664, 53330, 106660, 213320, 378643, 757286, 1514572, 1893215, 3029144, 3786430, 7572860, 15145720]

約数ペア:

[(1, 15145720), (2, 7572860), (4, 3786430), (5, 3029144), (8, 1893215), (10, 1514572), (20, 757286), (40, 378643), (71, 213320), (142, 106660), (284, 53330), (355, 42664), (568, 26665), (710, 21332), (1420, 10666), (2840, 5333)]