72127980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{400711}}^1$

素因数の和:400726

約数の個数: 36

約数和(自身を含む): 218788752

約数和(自身を除く): 146660772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 400711, 801422, 1202133, 1602844, 2003555, 2404266, 3606399, 4007110, 4808532, 6010665, 7212798, 8014220, 12021330, 14425596, 18031995, 24042660, 36063990, 72127980]

約数ペア:

[(1, 72127980), (2, 36063990), (3, 24042660), (4, 18031995), (5, 14425596), (6, 12021330), (9, 8014220), (10, 7212798), (12, 6010665), (15, 4808532), (18, 4007110), (20, 3606399), (30, 2404266), (36, 2003555), (45, 1602844), (60, 1202133), (90, 801422), (180, 400711)]