21112995840

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{85909}}^1$

素因数の和:85945

約数の個数: 120

約数和(自身を含む): 67560311280

約数和(自身を除く): 46447315440

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, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 5120, 6144, 7680, 8192, 10240, 12288, 15360, 16384, 20480, 24576, 30720, 40960, 49152, 61440, 81920, 85909, 122880, 171818, 245760, 257727, 343636, 429545, 515454, 687272, 859090, 1030908, 1288635, 1374544, 1718180, 2061816, 2577270, 2749088, 3436360, 4123632, 5154540, 5498176, 6872720, 8247264, 10309080, 10996352, 13745440, 16494528, 20618160, 21992704, 27490880, 32989056, 41236320, 43985408, 54981760, 65978112, 82472640, 87970816, 109963520, 131956224, 164945280, 175941632, 219927040, 263912448, 329890560, 351883264, 439854080, 527824896, 659781120, 703766528, 879708160, 1055649792, 1319562240, 1407533056, 1759416320, 2111299584, 2639124480, 3518832640, 4222599168, 5278248960, 7037665280, 10556497920, 21112995840]

約数ペア:

[(1, 21112995840), (2, 10556497920), (3, 7037665280), (4, 5278248960), (5, 4222599168), (6, 3518832640), (8, 2639124480), (10, 2111299584), (12, 1759416320), (15, 1407533056), (16, 1319562240), (20, 1055649792), (24, 879708160), (30, 703766528), (32, 659781120), (40, 527824896), (48, 439854080), (60, 351883264), (64, 329890560), (80, 263912448), (96, 219927040), (120, 175941632), (128, 164945280), (160, 131956224), (192, 109963520), (240, 87970816), (256, 82472640), (320, 65978112), (384, 54981760), (480, 43985408), (512, 41236320), (640, 32989056), (768, 27490880), (960, 21992704), (1024, 20618160), (1280, 16494528), (1536, 13745440), (1920, 10996352), (2048, 10309080), (2560, 8247264), (3072, 6872720), (3840, 5498176), (4096, 5154540), (5120, 4123632), (6144, 3436360), (7680, 2749088), (8192, 2577270), (10240, 2061816), (12288, 1718180), (15360, 1374544), (16384, 1288635), (20480, 1030908), (24576, 859090), (30720, 687272), (40960, 515454), (49152, 429545), (61440, 343636), (81920, 257727), (85909, 245760), (122880, 171818)]