1331569320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{299903}}^1$

素因数の和:299954

約数の個数: 64

約数和(自身を含む): 4102686720

約数和(自身を除く): 2771117400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 299903, 599806, 899709, 1199612, 1499515, 1799418, 2399224, 2999030, 3598836, 4498545, 5998060, 7197672, 8997090, 11096411, 11996120, 17994180, 22192822, 33289233, 35988360, 44385644, 55482055, 66578466, 88771288, 110964110, 133156932, 166446165, 221928220, 266313864, 332892330, 443856440, 665784660, 1331569320]

約数ペア:

[(1, 1331569320), (2, 665784660), (3, 443856440), (4, 332892330), (5, 266313864), (6, 221928220), (8, 166446165), (10, 133156932), (12, 110964110), (15, 88771288), (20, 66578466), (24, 55482055), (30, 44385644), (37, 35988360), (40, 33289233), (60, 22192822), (74, 17994180), (111, 11996120), (120, 11096411), (148, 8997090), (185, 7197672), (222, 5998060), (296, 4498545), (370, 3598836), (444, 2999030), (555, 2399224), (740, 1799418), (888, 1499515), (1110, 1199612), (1480, 899709), (2220, 599806), (4440, 299903)]