326640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1361}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 1013328

約数和(自身を除く): 686688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1361, 2722, 4083, 5444, 6805, 8166, 10888, 13610, 16332, 20415, 21776, 27220, 32664, 40830, 54440, 65328, 81660, 108880, 163320, 326640]

約数ペア:

[(1, 326640), (2, 163320), (3, 108880), (4, 81660), (5, 65328), (6, 54440), (8, 40830), (10, 32664), (12, 27220), (15, 21776), (16, 20415), (20, 16332), (24, 13610), (30, 10888), (40, 8166), (48, 6805), (60, 5444), (80, 4083), (120, 2722), (240, 1361)]