655655040

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 256

約数和(自身を含む): 2445552000

約数和(自身を除く): 1789896960

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, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 1997, 2052, 2160, 2280, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 3994, 4104, 4320, 4560, 5130, 5472, 5760, 5991, 6080, 6840, 7296, 7988, 8208, 8640, 9120, 9985, 10260, 10944, 11982, 12160, 13680, 15976, 16416, 17280, 17973, 18240, 19970, 20520, 21888, 23964, 27360, 29955, 31952, 32832, 35946, 36480, 37943, 39940, 41040, 47928, 53919, 54720, 59910, 63904, 65664, 71892, 75886, 79880, 82080, 89865, 95856, 107838, 109440, 113829, 119820, 127808, 143784, 151772, 159760, 164160, 179730, 189715, 191712, 215676, 227658, 239640, 255616, 269595, 287568, 303544, 319520, 328320, 341487, 359460, 379430, 383424, 431352, 455316, 479280, 539190, 569145, 575136, 607088, 639040, 682974, 718920, 758860, 766848, 862704, 910632, 958560, 1024461, 1078380, 1138290, 1150272, 1214176, 1278080, 1365948, 1437840, 1517720, 1707435, 1725408, 1821264, 1917120, 2048922, 2156760, 2276580, 2300544, 2428352, 2731896, 2875680, 3035440, 3414870, 3450816, 3642528, 3834240, 4097844, 4313520, 4553160, 4856704, 5122305, 5463792, 5751360, 6070880, 6829740, 6901632, 7285056, 8195688, 8627040, 9106320, 10244610, 10927584, 11502720, 12141760, 13659480, 14570112, 16391376, 17254080, 18212640, 20489220, 21855168, 24283520, 27318960, 32782752, 34508160, 36425280, 40978440, 43710336, 54637920, 65565504, 72850560, 81956880, 109275840, 131131008, 163913760, 218551680, 327827520, 655655040]

約数ペア:

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