1311310080

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 288

約数和(自身を含む): 4900694400

約数和(自身を除く): 3589384320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 768, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 1997, 2052, 2160, 2280, 2304, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 3840, 3994, 4104, 4320, 4560, 4864, 5130, 5472, 5760, 5991, 6080, 6840, 6912, 7296, 7988, 8208, 8640, 9120, 9985, 10260, 10944, 11520, 11982, 12160, 13680, 14592, 15976, 16416, 17280, 17973, 18240, 19970, 20520, 21888, 23964, 24320, 27360, 29955, 31952, 32832, 34560, 35946, 36480, 37943, 39940, 41040, 43776, 47928, 53919, 54720, 59910, 63904, 65664, 71892, 72960, 75886, 79880, 82080, 89865, 95856, 107838, 109440, 113829, 119820, 127808, 131328, 143784, 151772, 159760, 164160, 179730, 189715, 191712, 215676, 218880, 227658, 239640, 255616, 269595, 287568, 303544, 319520, 328320, 341487, 359460, 379430, 383424, 431352, 455316, 479280, 511232, 539190, 569145, 575136, 607088, 639040, 656640, 682974, 718920, 758860, 766848, 862704, 910632, 958560, 1024461, 1078380, 1138290, 1150272, 1214176, 1278080, 1365948, 1437840, 1517720, 1533696, 1707435, 1725408, 1821264, 1917120, 2048922, 2156760, 2276580, 2300544, 2428352, 2556160, 2731896, 2875680, 3035440, 3414870, 3450816, 3642528, 3834240, 4097844, 4313520, 4553160, 4601088, 4856704, 5122305, 5463792, 5751360, 6070880, 6829740, 6901632, 7285056, 7668480, 8195688, 8627040, 9106320, 9713408, 10244610, 10927584, 11502720, 12141760, 13659480, 13803264, 14570112, 16391376, 17254080, 18212640, 20489220, 21855168, 23005440, 24283520, 27318960, 29140224, 32782752, 34508160, 36425280, 40978440, 43710336, 48567040, 54637920, 65565504, 69016320, 72850560, 81956880, 87420672, 109275840, 131131008, 145701120, 163913760, 218551680, 262262016, 327827520, 437103360, 655655040, 1311310080]

約数ペア:

[(1, 1311310080), (2, 655655040), (3, 437103360), (4, 327827520), (5, 262262016), (6, 218551680), (8, 163913760), (9, 145701120), (10, 131131008), (12, 109275840), (15, 87420672), (16, 81956880), (18, 72850560), (19, 69016320), (20, 65565504), (24, 54637920), (27, 48567040), (30, 43710336), (32, 40978440), (36, 36425280), (38, 34508160), (40, 32782752), (45, 29140224), (48, 27318960), (54, 24283520), (57, 23005440), (60, 21855168), (64, 20489220), (72, 18212640), (76, 17254080), (80, 16391376), (90, 14570112), (95, 13803264), (96, 13659480), (108, 12141760), (114, 11502720), (120, 10927584), (128, 10244610), (135, 9713408), (144, 9106320), (152, 8627040), (160, 8195688), (171, 7668480), (180, 7285056), (190, 6901632), (192, 6829740), (216, 6070880), (228, 5751360), (240, 5463792), (256, 5122305), (270, 4856704), (285, 4601088), (288, 4553160), (304, 4313520), (320, 4097844), (342, 3834240), (360, 3642528), (380, 3450816), (384, 3414870), (432, 3035440), (456, 2875680), (480, 2731896), (513, 2556160), (540, 2428352), (570, 2300544), (576, 2276580), (608, 2156760), (640, 2048922), (684, 1917120), (720, 1821264), (760, 1725408), (768, 1707435), (855, 1533696), (864, 1517720), (912, 1437840), (960, 1365948), (1026, 1278080), (1080, 1214176), (1140, 1150272), (1152, 1138290), (1216, 1078380), (1280, 1024461), (1368, 958560), (1440, 910632), (1520, 862704), (1710, 766848), (1728, 758860), (1824, 718920), (1920, 682974), (1997, 656640), (2052, 639040), (2160, 607088), (2280, 575136), (2304, 569145), (2432, 539190), (2565, 511232), (2736, 479280), (2880, 455316), (3040, 431352), (3420, 383424), (3456, 379430), (3648, 359460), (3840, 341487), (3994, 328320), (4104, 319520), (4320, 303544), (4560, 287568), (4864, 269595), (5130, 255616), (5472, 239640), (5760, 227658), (5991, 218880), (6080, 215676), (6840, 191712), (6912, 189715), (7296, 179730), (7988, 164160), (8208, 159760), (8640, 151772), (9120, 143784), (9985, 131328), (10260, 127808), (10944, 119820), (11520, 113829), (11982, 109440), (12160, 107838), (13680, 95856), (14592, 89865), (15976, 82080), (16416, 79880), (17280, 75886), (17973, 72960), (18240, 71892), (19970, 65664), (20520, 63904), (21888, 59910), (23964, 54720), (24320, 53919), (27360, 47928), (29955, 43776), (31952, 41040), (32832, 39940), (34560, 37943), (35946, 36480)]