80240520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{668671}}^1$

素因数の和:668685

約数の個数: 32

約数和(自身を含む): 240721920

約数和(自身を除く): 160481400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 668671, 1337342, 2006013, 2674684, 3343355, 4012026, 5349368, 6686710, 8024052, 10030065, 13373420, 16048104, 20060130, 26746840, 40120260, 80240520]

約数ペア:

[(1, 80240520), (2, 40120260), (3, 26746840), (4, 20060130), (5, 16048104), (6, 13373420), (8, 10030065), (10, 8024052), (12, 6686710), (15, 5349368), (20, 4012026), (24, 3343355), (30, 2674684), (40, 2006013), (60, 1337342), (120, 668671)]