72937980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{405211}}^1$

素因数の和:405226

約数の個数: 36

約数和(自身を含む): 221245752

約数和(自身を除く): 148307772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 405211, 810422, 1215633, 1620844, 2026055, 2431266, 3646899, 4052110, 4862532, 6078165, 7293798, 8104220, 12156330, 14587596, 18234495, 24312660, 36468990, 72937980]

約数ペア:

[(1, 72937980), (2, 36468990), (3, 24312660), (4, 18234495), (5, 14587596), (6, 12156330), (9, 8104220), (10, 7293798), (12, 6078165), (15, 4862532), (18, 4052110), (20, 3646899), (30, 2431266), (36, 2026055), (45, 1620844), (60, 1215633), (90, 810422), (180, 405211)]