251606640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1048361}}^1$

素因数の和:1048377

約数の個数: 40

約数和(自身を含む): 779981328

約数和(自身を除く): 528374688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1048361, 2096722, 3145083, 4193444, 5241805, 6290166, 8386888, 10483610, 12580332, 15725415, 16773776, 20967220, 25160664, 31450830, 41934440, 50321328, 62901660, 83868880, 125803320, 251606640]

約数ペア:

[(1, 251606640), (2, 125803320), (3, 83868880), (4, 62901660), (5, 50321328), (6, 41934440), (8, 31450830), (10, 25160664), (12, 20967220), (15, 16773776), (16, 15725415), (20, 12580332), (24, 10483610), (30, 8386888), (40, 6290166), (48, 5241805), (60, 4193444), (80, 3145083), (120, 2096722), (240, 1048361)]