1918894080

素因数分解:

$2^{21}\times 3^1\times 5^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 176

約数和(自身を含む): 6241122864

約数和(自身を除く): 4322228784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 320, 366, 384, 480, 488, 512, 610, 640, 732, 768, 915, 960, 976, 1024, 1220, 1280, 1464, 1536, 1830, 1920, 1952, 2048, 2440, 2560, 2928, 3072, 3660, 3840, 3904, 4096, 4880, 5120, 5856, 6144, 7320, 7680, 7808, 8192, 9760, 10240, 11712, 12288, 14640, 15360, 15616, 16384, 19520, 20480, 23424, 24576, 29280, 30720, 31232, 32768, 39040, 40960, 46848, 49152, 58560, 61440, 62464, 65536, 78080, 81920, 93696, 98304, 117120, 122880, 124928, 131072, 156160, 163840, 187392, 196608, 234240, 245760, 249856, 262144, 312320, 327680, 374784, 393216, 468480, 491520, 499712, 524288, 624640, 655360, 749568, 786432, 936960, 983040, 999424, 1048576, 1249280, 1310720, 1499136, 1572864, 1873920, 1966080, 1998848, 2097152, 2498560, 2621440, 2998272, 3145728, 3747840, 3932160, 3997696, 4997120, 5242880, 5996544, 6291456, 7495680, 7864320, 7995392, 9994240, 10485760, 11993088, 14991360, 15728640, 15990784, 19988480, 23986176, 29982720, 31457280, 31981568, 39976960, 47972352, 59965440, 63963136, 79953920, 95944704, 119930880, 127926272, 159907840, 191889408, 239861760, 319815680, 383778816, 479723520, 639631360, 959447040, 1918894080]

約数ペア:

[(1, 1918894080), (2, 959447040), (3, 639631360), (4, 479723520), (5, 383778816), (6, 319815680), (8, 239861760), (10, 191889408), (12, 159907840), (15, 127926272), (16, 119930880), (20, 95944704), (24, 79953920), (30, 63963136), (32, 59965440), (40, 47972352), (48, 39976960), (60, 31981568), (61, 31457280), (64, 29982720), (80, 23986176), (96, 19988480), (120, 15990784), (122, 15728640), (128, 14991360), (160, 11993088), (183, 10485760), (192, 9994240), (240, 7995392), (244, 7864320), (256, 7495680), (305, 6291456), (320, 5996544), (366, 5242880), (384, 4997120), (480, 3997696), (488, 3932160), (512, 3747840), (610, 3145728), (640, 2998272), (732, 2621440), (768, 2498560), (915, 2097152), (960, 1998848), (976, 1966080), (1024, 1873920), (1220, 1572864), (1280, 1499136), (1464, 1310720), (1536, 1249280), (1830, 1048576), (1920, 999424), (1952, 983040), (2048, 936960), (2440, 786432), (2560, 749568), (2928, 655360), (3072, 624640), (3660, 524288), (3840, 499712), (3904, 491520), (4096, 468480), (4880, 393216), (5120, 374784), (5856, 327680), (6144, 312320), (7320, 262144), (7680, 249856), (7808, 245760), (8192, 234240), (9760, 196608), (10240, 187392), (11712, 163840), (12288, 156160), (14640, 131072), (15360, 124928), (15616, 122880), (16384, 117120), (19520, 98304), (20480, 93696), (23424, 81920), (24576, 78080), (29280, 65536), (30720, 62464), (31232, 61440), (32768, 58560), (39040, 49152), (40960, 46848)]