19780077120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20604247}}^1$

素因数の和:20604267

約数の個数: 56

約数和(自身を含む): 62801747904

約数和(自身を除く): 43021670784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20604247, 41208494, 61812741, 82416988, 103021235, 123625482, 164833976, 206042470, 247250964, 309063705, 329667952, 412084940, 494501928, 618127410, 659335904, 824169880, 989003856, 1236254820, 1318671808, 1648339760, 1978007712, 2472509640, 3296679520, 3956015424, 4945019280, 6593359040, 9890038560, 19780077120]

約数ペア:

[(1, 19780077120), (2, 9890038560), (3, 6593359040), (4, 4945019280), (5, 3956015424), (6, 3296679520), (8, 2472509640), (10, 1978007712), (12, 1648339760), (15, 1318671808), (16, 1236254820), (20, 989003856), (24, 824169880), (30, 659335904), (32, 618127410), (40, 494501928), (48, 412084940), (60, 329667952), (64, 309063705), (80, 247250964), (96, 206042470), (120, 164833976), (160, 123625482), (192, 103021235), (240, 82416988), (320, 61812741), (480, 41208494), (960, 20604247)]