1640651520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 288

約数和(自身を含む): 5592384000

約数和(自身を除く): 3951732480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 113, 114, 120, 128, 152, 160, 190, 192, 199, 226, 228, 240, 256, 285, 304, 320, 339, 380, 384, 398, 452, 456, 480, 565, 570, 597, 608, 640, 678, 760, 768, 796, 904, 912, 960, 995, 1130, 1140, 1194, 1216, 1280, 1356, 1520, 1592, 1695, 1808, 1824, 1920, 1990, 2147, 2260, 2280, 2388, 2432, 2712, 2985, 3040, 3184, 3390, 3616, 3648, 3781, 3840, 3980, 4294, 4520, 4560, 4776, 4864, 5424, 5970, 6080, 6368, 6441, 6780, 7232, 7296, 7562, 7960, 8588, 9040, 9120, 9552, 10735, 10848, 11343, 11940, 12160, 12736, 12882, 13560, 14464, 14592, 15124, 15920, 17176, 18080, 18240, 18905, 19104, 21470, 21696, 22487, 22686, 23880, 24320, 25472, 25764, 27120, 28928, 30248, 31840, 32205, 34352, 36160, 36480, 37810, 38208, 42940, 43392, 44974, 45372, 47760, 50944, 51528, 54240, 56715, 60496, 63680, 64410, 67461, 68704, 72320, 72960, 75620, 76416, 85880, 86784, 89948, 90744, 95520, 103056, 108480, 112435, 113430, 120992, 127360, 128820, 134922, 137408, 144640, 151240, 152832, 171760, 179896, 181488, 191040, 206112, 216960, 224870, 226860, 241984, 254720, 257640, 269844, 274816, 302480, 337305, 343520, 359792, 362976, 382080, 412224, 427253, 433920, 449740, 453720, 483968, 515280, 539688, 549632, 604960, 674610, 687040, 719584, 725952, 764160, 824448, 854506, 899480, 907440, 967936, 1030560, 1079376, 1209920, 1281759, 1349220, 1374080, 1439168, 1451904, 1648896, 1709012, 1798960, 1814880, 2061120, 2136265, 2158752, 2419840, 2563518, 2698440, 2748160, 2878336, 2903808, 3418024, 3597920, 3629760, 4122240, 4272530, 4317504, 4839680, 5127036, 5396880, 5756672, 6408795, 6836048, 7195840, 7259520, 8244480, 8545060, 8635008, 10254072, 10793760, 12817590, 13672096, 14391680, 14519040, 17090120, 17270016, 20508144, 21587520, 25635180, 27344192, 28783360, 34180240, 41016288, 43175040, 51270360, 54688384, 68360480, 82032576, 86350080, 102540720, 109376768, 136720960, 164065152, 205081440, 273441920, 328130304, 410162880, 546883840, 820325760, 1640651520]

約数ペア:

[(1, 1640651520), (2, 820325760), (3, 546883840), (4, 410162880), (5, 328130304), (6, 273441920), (8, 205081440), (10, 164065152), (12, 136720960), (15, 109376768), (16, 102540720), (19, 86350080), (20, 82032576), (24, 68360480), (30, 54688384), (32, 51270360), (38, 43175040), (40, 41016288), (48, 34180240), (57, 28783360), (60, 27344192), (64, 25635180), (76, 21587520), (80, 20508144), (95, 17270016), (96, 17090120), (113, 14519040), (114, 14391680), (120, 13672096), (128, 12817590), (152, 10793760), (160, 10254072), (190, 8635008), (192, 8545060), (199, 8244480), (226, 7259520), (228, 7195840), (240, 6836048), (256, 6408795), (285, 5756672), (304, 5396880), (320, 5127036), (339, 4839680), (380, 4317504), (384, 4272530), (398, 4122240), (452, 3629760), (456, 3597920), (480, 3418024), (565, 2903808), (570, 2878336), (597, 2748160), (608, 2698440), (640, 2563518), (678, 2419840), (760, 2158752), (768, 2136265), (796, 2061120), (904, 1814880), (912, 1798960), (960, 1709012), (995, 1648896), (1130, 1451904), (1140, 1439168), (1194, 1374080), (1216, 1349220), (1280, 1281759), (1356, 1209920), (1520, 1079376), (1592, 1030560), (1695, 967936), (1808, 907440), (1824, 899480), (1920, 854506), (1990, 824448), (2147, 764160), (2260, 725952), (2280, 719584), (2388, 687040), (2432, 674610), (2712, 604960), (2985, 549632), (3040, 539688), (3184, 515280), (3390, 483968), (3616, 453720), (3648, 449740), (3781, 433920), (3840, 427253), (3980, 412224), (4294, 382080), (4520, 362976), (4560, 359792), (4776, 343520), (4864, 337305), (5424, 302480), (5970, 274816), (6080, 269844), (6368, 257640), (6441, 254720), (6780, 241984), (7232, 226860), (7296, 224870), (7562, 216960), (7960, 206112), (8588, 191040), (9040, 181488), (9120, 179896), (9552, 171760), (10735, 152832), (10848, 151240), (11343, 144640), (11940, 137408), (12160, 134922), (12736, 128820), (12882, 127360), (13560, 120992), (14464, 113430), (14592, 112435), (15124, 108480), (15920, 103056), (17176, 95520), (18080, 90744), (18240, 89948), (18905, 86784), (19104, 85880), (21470, 76416), (21696, 75620), (22487, 72960), (22686, 72320), (23880, 68704), (24320, 67461), (25472, 64410), (25764, 63680), (27120, 60496), (28928, 56715), (30248, 54240), (31840, 51528), (32205, 50944), (34352, 47760), (36160, 45372), (36480, 44974), (37810, 43392), (38208, 42940)]