28744680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239539}}^1$

素因数の和:239553

約数の個数: 32

約数和(自身を含む): 86234400

約数和(自身を除く): 57489720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239539, 479078, 718617, 958156, 1197695, 1437234, 1916312, 2395390, 2874468, 3593085, 4790780, 5748936, 7186170, 9581560, 14372340, 28744680]

約数ペア:

[(1, 28744680), (2, 14372340), (3, 9581560), (4, 7186170), (5, 5748936), (6, 4790780), (8, 3593085), (10, 2874468), (12, 2395390), (15, 1916312), (20, 1437234), (24, 1197695), (30, 958156), (40, 718617), (60, 479078), (120, 239539)]