80120220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16903}}^1$

素因数の和:16994

約数の個数: 48

約数和(自身を含む): 227189760

約数和(自身を除く): 147069540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 16903, 33806, 50709, 67612, 84515, 101418, 169030, 202836, 253545, 338060, 507090, 1014180, 1335337, 2670674, 4006011, 5341348, 6676685, 8012022, 13353370, 16024044, 20030055, 26706740, 40060110, 80120220]

約数ペア:

[(1, 80120220), (2, 40060110), (3, 26706740), (4, 20030055), (5, 16024044), (6, 13353370), (10, 8012022), (12, 6676685), (15, 5341348), (20, 4006011), (30, 2670674), (60, 1335337), (79, 1014180), (158, 507090), (237, 338060), (316, 253545), (395, 202836), (474, 169030), (790, 101418), (948, 84515), (1185, 67612), (1580, 50709), (2370, 33806), (4740, 16903)]