1515320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 3492720

約数和(自身を除く): 1977400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 881, 1720, 1762, 3524, 4405, 7048, 8810, 17620, 35240, 37883, 75766, 151532, 189415, 303064, 378830, 757660, 1515320]

約数ペア:

[(1, 1515320), (2, 757660), (4, 378830), (5, 303064), (8, 189415), (10, 151532), (20, 75766), (40, 37883), (43, 35240), (86, 17620), (172, 8810), (215, 7048), (344, 4405), (430, 3524), (860, 1762), (881, 1720)]