80284020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8209}}^1$

素因数の和:8384

約数の個数: 48

約数和(自身を含む): 226201920

約数和(自身を除く): 145917900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 8209, 9780, 16418, 24627, 32836, 41045, 49254, 82090, 98508, 123135, 164180, 246270, 492540, 1338067, 2676134, 4014201, 5352268, 6690335, 8028402, 13380670, 16056804, 20071005, 26761340, 40142010, 80284020]

約数ペア:

[(1, 80284020), (2, 40142010), (3, 26761340), (4, 20071005), (5, 16056804), (6, 13380670), (10, 8028402), (12, 6690335), (15, 5352268), (20, 4014201), (30, 2676134), (60, 1338067), (163, 492540), (326, 246270), (489, 164180), (652, 123135), (815, 98508), (978, 82090), (1630, 49254), (1956, 41045), (2445, 32836), (3260, 24627), (4890, 16418), (8209, 9780)]