1557720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{4327}}^1$

素因数の和:4344

約数の個数: 48

約数和(自身を含む): 5063760

約数和(自身を除く): 3506040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 4327, 8654, 12981, 17308, 21635, 25962, 34616, 38943, 43270, 51924, 64905, 77886, 86540, 103848, 129810, 155772, 173080, 194715, 259620, 311544, 389430, 519240, 778860, 1557720]

約数ペア:

[(1, 1557720), (2, 778860), (3, 519240), (4, 389430), (5, 311544), (6, 259620), (8, 194715), (9, 173080), (10, 155772), (12, 129810), (15, 103848), (18, 86540), (20, 77886), (24, 64905), (30, 51924), (36, 43270), (40, 38943), (45, 34616), (60, 25962), (72, 21635), (90, 17308), (120, 12981), (180, 8654), (360, 4327)]