1028152020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2447981}}^1$

素因数の和:2448000

約数の個数: 48

約数和(自身を含む): 3290087808

約数和(自身を除く): 2261935788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2447981, 4895962, 7343943, 9791924, 12239905, 14687886, 17135867, 24479810, 29375772, 34271734, 36719715, 48959620, 51407601, 68543468, 73439430, 85679335, 102815202, 146878860, 171358670, 205630404, 257038005, 342717340, 514076010, 1028152020]

約数ペア:

[(1, 1028152020), (2, 514076010), (3, 342717340), (4, 257038005), (5, 205630404), (6, 171358670), (7, 146878860), (10, 102815202), (12, 85679335), (14, 73439430), (15, 68543468), (20, 51407601), (21, 48959620), (28, 36719715), (30, 34271734), (35, 29375772), (42, 24479810), (60, 17135867), (70, 14687886), (84, 12239905), (105, 9791924), (140, 7343943), (210, 4895962), (420, 2447981)]