2561464320

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:648

約数の個数: 192

約数和(自身を含む): 8255520000

約数和(自身を除く): 5694055680

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, 419, 480, 512, 597, 640, 768, 796, 838, 960, 995, 1024, 1194, 1257, 1280, 1536, 1592, 1676, 1920, 1990, 2048, 2095, 2388, 2514, 2560, 2985, 3072, 3184, 3352, 3840, 3980, 4190, 4776, 5028, 5120, 5970, 6144, 6285, 6368, 6704, 7680, 7960, 8380, 9552, 10056, 10240, 11940, 12570, 12736, 13408, 15360, 15920, 16760, 19104, 20112, 23880, 25140, 25472, 26816, 30720, 31840, 33520, 38208, 40224, 47760, 50280, 50944, 53632, 63680, 67040, 76416, 80448, 83381, 95520, 100560, 101888, 107264, 127360, 134080, 152832, 160896, 166762, 191040, 201120, 203776, 214528, 250143, 254720, 268160, 305664, 321792, 333524, 382080, 402240, 407552, 416905, 429056, 500286, 509440, 536320, 611328, 643584, 667048, 764160, 804480, 833810, 858112, 1000572, 1018880, 1072640, 1222656, 1250715, 1287168, 1334096, 1528320, 1608960, 1667620, 2001144, 2037760, 2145280, 2501430, 2574336, 2668192, 3056640, 3217920, 3335240, 4002288, 4290560, 5002860, 5336384, 6113280, 6435840, 6670480, 8004576, 10005720, 10672768, 12871680, 13340960, 16009152, 20011440, 21345536, 26681920, 32018304, 40022880, 42691072, 53363840, 64036608, 80045760, 85382144, 106727680, 128073216, 160091520, 170764288, 213455360, 256146432, 320183040, 426910720, 512292864, 640366080, 853821440, 1280732160, 2561464320]

約数ペア:

[(1, 2561464320), (2, 1280732160), (3, 853821440), (4, 640366080), (5, 512292864), (6, 426910720), (8, 320183040), (10, 256146432), (12, 213455360), (15, 170764288), (16, 160091520), (20, 128073216), (24, 106727680), (30, 85382144), (32, 80045760), (40, 64036608), (48, 53363840), (60, 42691072), (64, 40022880), (80, 32018304), (96, 26681920), (120, 21345536), (128, 20011440), (160, 16009152), (192, 13340960), (199, 12871680), (240, 10672768), (256, 10005720), (320, 8004576), (384, 6670480), (398, 6435840), (419, 6113280), (480, 5336384), (512, 5002860), (597, 4290560), (640, 4002288), (768, 3335240), (796, 3217920), (838, 3056640), (960, 2668192), (995, 2574336), (1024, 2501430), (1194, 2145280), (1257, 2037760), (1280, 2001144), (1536, 1667620), (1592, 1608960), (1676, 1528320), (1920, 1334096), (1990, 1287168), (2048, 1250715), (2095, 1222656), (2388, 1072640), (2514, 1018880), (2560, 1000572), (2985, 858112), (3072, 833810), (3184, 804480), (3352, 764160), (3840, 667048), (3980, 643584), (4190, 611328), (4776, 536320), (5028, 509440), (5120, 500286), (5970, 429056), (6144, 416905), (6285, 407552), (6368, 402240), (6704, 382080), (7680, 333524), (7960, 321792), (8380, 305664), (9552, 268160), (10056, 254720), (10240, 250143), (11940, 214528), (12570, 203776), (12736, 201120), (13408, 191040), (15360, 166762), (15920, 160896), (16760, 152832), (19104, 134080), (20112, 127360), (23880, 107264), (25140, 101888), (25472, 100560), (26816, 95520), (30720, 83381), (31840, 80448), (33520, 76416), (38208, 67040), (40224, 63680), (47760, 53632), (50280, 50944)]