19706880

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1283}}^1$

素因数の和:1311

約数の個数: 88

約数和(自身を含む): 63080352

約数和(自身を除く): 43373472

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, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1283, 1536, 1920, 2560, 2566, 3072, 3840, 3849, 5120, 5132, 6415, 7680, 7698, 10264, 12830, 15360, 15396, 19245, 20528, 25660, 30792, 38490, 41056, 51320, 61584, 76980, 82112, 102640, 123168, 153960, 164224, 205280, 246336, 307920, 328448, 410560, 492672, 615840, 656896, 821120, 985344, 1231680, 1313792, 1642240, 1970688, 2463360, 3284480, 3941376, 4926720, 6568960, 9853440, 19706880]

約数ペア:

[(1, 19706880), (2, 9853440), (3, 6568960), (4, 4926720), (5, 3941376), (6, 3284480), (8, 2463360), (10, 1970688), (12, 1642240), (15, 1313792), (16, 1231680), (20, 985344), (24, 821120), (30, 656896), (32, 615840), (40, 492672), (48, 410560), (60, 328448), (64, 307920), (80, 246336), (96, 205280), (120, 164224), (128, 153960), (160, 123168), (192, 102640), (240, 82112), (256, 76980), (320, 61584), (384, 51320), (480, 41056), (512, 38490), (640, 30792), (768, 25660), (960, 20528), (1024, 19245), (1280, 15396), (1283, 15360), (1536, 12830), (1920, 10264), (2560, 7698), (2566, 7680), (3072, 6415), (3840, 5132), (3849, 5120)]