80515980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{447311}}^1$

素因数の和:447326

約数の個数: 36

約数和(自身を含む): 244232352

約数和(自身を除く): 163716372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 447311, 894622, 1341933, 1789244, 2236555, 2683866, 4025799, 4473110, 5367732, 6709665, 8051598, 8946220, 13419330, 16103196, 20128995, 26838660, 40257990, 80515980]

約数ペア:

[(1, 80515980), (2, 40257990), (3, 26838660), (4, 20128995), (5, 16103196), (6, 13419330), (9, 8946220), (10, 8051598), (12, 6709665), (15, 5367732), (18, 4473110), (20, 4025799), (30, 2683866), (36, 2236555), (45, 1789244), (60, 1341933), (90, 894622), (180, 447311)]