61813620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31219}}^1$

素因数の和:31245

約数の個数: 72

約数和(自身を含む): 204553440

約数和(自身を除く): 142739820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 31219, 62438, 93657, 124876, 156095, 187314, 280971, 312190, 343409, 374628, 468285, 561942, 624380, 686818, 936570, 1030227, 1123884, 1373636, 1404855, 1717045, 1873140, 2060454, 2809710, 3090681, 3434090, 4120908, 5151135, 5619420, 6181362, 6868180, 10302270, 12362724, 15453405, 20604540, 30906810, 61813620]

約数ペア:

[(1, 61813620), (2, 30906810), (3, 20604540), (4, 15453405), (5, 12362724), (6, 10302270), (9, 6868180), (10, 6181362), (11, 5619420), (12, 5151135), (15, 4120908), (18, 3434090), (20, 3090681), (22, 2809710), (30, 2060454), (33, 1873140), (36, 1717045), (44, 1404855), (45, 1373636), (55, 1123884), (60, 1030227), (66, 936570), (90, 686818), (99, 624380), (110, 561942), (132, 468285), (165, 374628), (180, 343409), (198, 312190), (220, 280971), (330, 187314), (396, 156095), (495, 124876), (660, 93657), (990, 62438), (1980, 31219)]