1821520140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2759879}}^1$

素因数の和:2759902

約数の個数: 48

約数和(自身を含む): 5563918080

約数和(自身を除く): 3742397940

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, 2759879, 5519758, 8279637, 11039516, 13799395, 16559274, 27598790, 30358669, 33118548, 41398185, 55197580, 60717338, 82796370, 91076007, 121434676, 151793345, 165592740, 182152014, 303586690, 364304028, 455380035, 607173380, 910760070, 1821520140]

約数ペア:

[(1, 1821520140), (2, 910760070), (3, 607173380), (4, 455380035), (5, 364304028), (6, 303586690), (10, 182152014), (11, 165592740), (12, 151793345), (15, 121434676), (20, 91076007), (22, 82796370), (30, 60717338), (33, 55197580), (44, 41398185), (55, 33118548), (60, 30358669), (66, 27598790), (110, 16559274), (132, 13799395), (165, 11039516), (220, 8279637), (330, 5519758), (660, 2759879)]