80450520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2671}}^1$

素因数の和:2936

約数の個数: 64

約数和(自身を含む): 242403840

約数和(自身を除く): 161953320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 2671, 3012, 3765, 5020, 5342, 6024, 7530, 8013, 10040, 10684, 13355, 15060, 16026, 21368, 26710, 30120, 32052, 40065, 53420, 64104, 80130, 106840, 160260, 320520, 670421, 1340842, 2011263, 2681684, 3352105, 4022526, 5363368, 6704210, 8045052, 10056315, 13408420, 16090104, 20112630, 26816840, 40225260, 80450520]

約数ペア:

[(1, 80450520), (2, 40225260), (3, 26816840), (4, 20112630), (5, 16090104), (6, 13408420), (8, 10056315), (10, 8045052), (12, 6704210), (15, 5363368), (20, 4022526), (24, 3352105), (30, 2681684), (40, 2011263), (60, 1340842), (120, 670421), (251, 320520), (502, 160260), (753, 106840), (1004, 80130), (1255, 64104), (1506, 53420), (2008, 40065), (2510, 32052), (2671, 30120), (3012, 26710), (3765, 21368), (5020, 16026), (5342, 15060), (6024, 13355), (7530, 10684), (8013, 10040)]