1281323520

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2927}}^1$

素因数の和:2975

約数の個数: 240

約数和(自身を含む): 4672736640

約数和(自身を除く): 3391413120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 512, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 960, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1536, 1710, 1824, 1920, 2280, 2304, 2432, 2560, 2736, 2880, 2927, 3040, 3420, 3648, 3840, 4560, 4608, 4864, 5472, 5760, 5854, 6080, 6840, 7296, 7680, 8781, 9120, 9728, 10944, 11520, 11708, 12160, 13680, 14592, 14635, 17562, 18240, 21888, 23040, 23416, 24320, 26343, 27360, 29184, 29270, 35124, 36480, 43776, 43905, 46832, 48640, 52686, 54720, 55613, 58540, 70248, 72960, 87552, 87810, 93664, 105372, 109440, 111226, 117080, 131715, 140496, 145920, 166839, 175620, 187328, 210744, 218880, 222452, 234160, 263430, 278065, 280992, 333678, 351240, 374656, 421488, 437760, 444904, 468320, 500517, 526860, 556130, 561984, 667356, 702480, 749312, 834195, 842976, 889808, 936640, 1001034, 1053720, 1112260, 1123968, 1334712, 1404960, 1498624, 1668390, 1685952, 1779616, 1873280, 2002068, 2107440, 2224520, 2247936, 2502585, 2669424, 2809920, 3336780, 3371904, 3559232, 3746560, 4004136, 4214880, 4449040, 4495872, 5005170, 5338848, 5619840, 6673560, 6743808, 7118464, 7493120, 8008272, 8429760, 8898080, 10010340, 10677696, 11239680, 13347120, 13487616, 14236928, 16016544, 16859520, 17796160, 20020680, 21355392, 22479360, 26694240, 28473856, 32033088, 33719040, 35592320, 40041360, 42710784, 53388480, 64066176, 67438080, 71184640, 80082720, 85421568, 106776960, 128132352, 142369280, 160165440, 213553920, 256264704, 320330880, 427107840, 640661760, 1281323520]

約数ペア:

[(1, 1281323520), (2, 640661760), (3, 427107840), (4, 320330880), (5, 256264704), (6, 213553920), (8, 160165440), (9, 142369280), (10, 128132352), (12, 106776960), (15, 85421568), (16, 80082720), (18, 71184640), (19, 67438080), (20, 64066176), (24, 53388480), (30, 42710784), (32, 40041360), (36, 35592320), (38, 33719040), (40, 32033088), (45, 28473856), (48, 26694240), (57, 22479360), (60, 21355392), (64, 20020680), (72, 17796160), (76, 16859520), (80, 16016544), (90, 14236928), (95, 13487616), (96, 13347120), (114, 11239680), (120, 10677696), (128, 10010340), (144, 8898080), (152, 8429760), (160, 8008272), (171, 7493120), (180, 7118464), (190, 6743808), (192, 6673560), (228, 5619840), (240, 5338848), (256, 5005170), (285, 4495872), (288, 4449040), (304, 4214880), (320, 4004136), (342, 3746560), (360, 3559232), (380, 3371904), (384, 3336780), (456, 2809920), (480, 2669424), (512, 2502585), (570, 2247936), (576, 2224520), (608, 2107440), (640, 2002068), (684, 1873280), (720, 1779616), (760, 1685952), (768, 1668390), (855, 1498624), (912, 1404960), (960, 1334712), (1140, 1123968), (1152, 1112260), (1216, 1053720), (1280, 1001034), (1368, 936640), (1440, 889808), (1520, 842976), (1536, 834195), (1710, 749312), (1824, 702480), (1920, 667356), (2280, 561984), (2304, 556130), (2432, 526860), (2560, 500517), (2736, 468320), (2880, 444904), (2927, 437760), (3040, 421488), (3420, 374656), (3648, 351240), (3840, 333678), (4560, 280992), (4608, 278065), (4864, 263430), (5472, 234160), (5760, 222452), (5854, 218880), (6080, 210744), (6840, 187328), (7296, 175620), (7680, 166839), (8781, 145920), (9120, 140496), (9728, 131715), (10944, 117080), (11520, 111226), (11708, 109440), (12160, 105372), (13680, 93664), (14592, 87810), (14635, 87552), (17562, 72960), (18240, 70248), (21888, 58540), (23040, 55613), (23416, 54720), (24320, 52686), (26343, 48640), (27360, 46832), (29184, 43905), (29270, 43776), (35124, 36480)]