1564999680

素因数分解:

$2^{19}\times 3^1\times 5^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 5033160000

約数和(自身を除く): 3468160320

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, 199, 240, 256, 320, 384, 398, 480, 512, 597, 640, 768, 796, 960, 995, 1024, 1194, 1280, 1536, 1592, 1920, 1990, 2048, 2388, 2560, 2985, 3072, 3184, 3840, 3980, 4096, 4776, 5120, 5970, 6144, 6368, 7680, 7960, 8192, 9552, 10240, 11940, 12288, 12736, 15360, 15920, 16384, 19104, 20480, 23880, 24576, 25472, 30720, 31840, 32768, 38208, 40960, 47760, 49152, 50944, 61440, 63680, 65536, 76416, 81920, 95520, 98304, 101888, 122880, 127360, 131072, 152832, 163840, 191040, 196608, 203776, 245760, 254720, 262144, 305664, 327680, 382080, 393216, 407552, 491520, 509440, 524288, 611328, 655360, 764160, 786432, 815104, 983040, 1018880, 1222656, 1310720, 1528320, 1572864, 1630208, 1966080, 2037760, 2445312, 2621440, 3056640, 3260416, 3932160, 4075520, 4890624, 6113280, 6520832, 7864320, 8151040, 9781248, 12226560, 13041664, 16302080, 19562496, 24453120, 26083328, 32604160, 39124992, 48906240, 52166656, 65208320, 78249984, 97812480, 104333312, 130416640, 156499968, 195624960, 260833280, 312999936, 391249920, 521666560, 782499840, 1564999680]

約数ペア:

[(1, 1564999680), (2, 782499840), (3, 521666560), (4, 391249920), (5, 312999936), (6, 260833280), (8, 195624960), (10, 156499968), (12, 130416640), (15, 104333312), (16, 97812480), (20, 78249984), (24, 65208320), (30, 52166656), (32, 48906240), (40, 39124992), (48, 32604160), (60, 26083328), (64, 24453120), (80, 19562496), (96, 16302080), (120, 13041664), (128, 12226560), (160, 9781248), (192, 8151040), (199, 7864320), (240, 6520832), (256, 6113280), (320, 4890624), (384, 4075520), (398, 3932160), (480, 3260416), (512, 3056640), (597, 2621440), (640, 2445312), (768, 2037760), (796, 1966080), (960, 1630208), (995, 1572864), (1024, 1528320), (1194, 1310720), (1280, 1222656), (1536, 1018880), (1592, 983040), (1920, 815104), (1990, 786432), (2048, 764160), (2388, 655360), (2560, 611328), (2985, 524288), (3072, 509440), (3184, 491520), (3840, 407552), (3980, 393216), (4096, 382080), (4776, 327680), (5120, 305664), (5970, 262144), (6144, 254720), (6368, 245760), (7680, 203776), (7960, 196608), (8192, 191040), (9552, 163840), (10240, 152832), (11940, 131072), (12288, 127360), (12736, 122880), (15360, 101888), (15920, 98304), (16384, 95520), (19104, 81920), (20480, 76416), (23880, 65536), (24576, 63680), (25472, 61440), (30720, 50944), (31840, 49152), (32768, 47760), (38208, 40960)]