1242840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{10357}}^1$

素因数の和:10371

約数の個数: 32

約数和(自身を含む): 3728880

約数和(自身を除く): 2486040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 10357, 20714, 31071, 41428, 51785, 62142, 82856, 103570, 124284, 155355, 207140, 248568, 310710, 414280, 621420, 1242840]

約数ペア:

[(1, 1242840), (2, 621420), (3, 414280), (4, 310710), (5, 248568), (6, 207140), (8, 155355), (10, 124284), (12, 103570), (15, 82856), (20, 62142), (24, 51785), (30, 41428), (40, 31071), (60, 20714), (120, 10357)]