80280420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{121637}}^1$

素因数の和:121660

約数の個数: 48

約数和(自身を含む): 245222208

約数和(自身を除く): 164941788

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 121637, 243274, 364911, 486548, 608185, 729822, 1216370, 1338007, 1459644, 1824555, 2432740, 2676014, 3649110, 4014021, 5352028, 6690035, 7298220, 8028042, 13380070, 16056084, 20070105, 26760140, 40140210, 80280420]

約数ペア:

[(1, 80280420), (2, 40140210), (3, 26760140), (4, 20070105), (5, 16056084), (6, 13380070), (10, 8028042), (11, 7298220), (12, 6690035), (15, 5352028), (20, 4014021), (22, 3649110), (30, 2676014), (33, 2432740), (44, 1824555), (55, 1459644), (60, 1338007), (66, 1216370), (110, 729822), (132, 608185), (165, 486548), (220, 364911), (330, 243274), (660, 121637)]