320004120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{72073}}^1$

素因数の和:72124

約数の個数: 64

約数和(自身を含む): 985972320

約数和(自身を除く): 665968200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 72073, 144146, 216219, 288292, 360365, 432438, 576584, 720730, 864876, 1081095, 1441460, 1729752, 2162190, 2666701, 2882920, 4324380, 5333402, 8000103, 8648760, 10666804, 13333505, 16000206, 21333608, 26667010, 32000412, 40000515, 53334020, 64000824, 80001030, 106668040, 160002060, 320004120]

約数ペア:

[(1, 320004120), (2, 160002060), (3, 106668040), (4, 80001030), (5, 64000824), (6, 53334020), (8, 40000515), (10, 32000412), (12, 26667010), (15, 21333608), (20, 16000206), (24, 13333505), (30, 10666804), (37, 8648760), (40, 8000103), (60, 5333402), (74, 4324380), (111, 2882920), (120, 2666701), (148, 2162190), (185, 1729752), (222, 1441460), (296, 1081095), (370, 864876), (444, 720730), (555, 576584), (740, 432438), (888, 360365), (1110, 288292), (1480, 216219), (2220, 144146), (4440, 72073)]