1721094480

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 400

約数和(自身を含む): 7194718080

約数和(自身を除く): 5473623600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 81, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 162, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 324, 336, 342, 360, 378, 380, 399, 405, 420, 432, 456, 504, 513, 532, 540, 560, 567, 570, 630, 648, 665, 684, 720, 756, 760, 798, 810, 840, 855, 912, 945, 1008, 1026, 1064, 1080, 1134, 1140, 1197, 1260, 1296, 1330, 1368, 1512, 1520, 1539, 1596, 1620, 1680, 1710, 1890, 1995, 1997, 2052, 2128, 2160, 2268, 2280, 2394, 2520, 2565, 2660, 2736, 2835, 3024, 3078, 3192, 3240, 3420, 3591, 3780, 3990, 3994, 4104, 4536, 4560, 4788, 5040, 5130, 5320, 5670, 5985, 5991, 6156, 6384, 6480, 6840, 7182, 7560, 7695, 7980, 7988, 8208, 9072, 9576, 9985, 10260, 10640, 10773, 11340, 11970, 11982, 12312, 13680, 13979, 14364, 15120, 15390, 15960, 15976, 17955, 17973, 19152, 19970, 20520, 21546, 22680, 23940, 23964, 24624, 27958, 28728, 29955, 30780, 31920, 31952, 35910, 35946, 37943, 39940, 41040, 41937, 43092, 45360, 47880, 47928, 53865, 53919, 55916, 57456, 59910, 61560, 69895, 71820, 71892, 75886, 79880, 83874, 86184, 89865, 95760, 95856, 107730, 107838, 111832, 113829, 119820, 123120, 125811, 139790, 143640, 143784, 151772, 159760, 161757, 167748, 172368, 179730, 189715, 209685, 215460, 215676, 223664, 227658, 239640, 251622, 265601, 269595, 279580, 287280, 287568, 303544, 323514, 335496, 341487, 359460, 377433, 379430, 419370, 430920, 431352, 455316, 479280, 503244, 531202, 539190, 559160, 569145, 607088, 629055, 647028, 670992, 682974, 718920, 754866, 758860, 796803, 808785, 838740, 861840, 862704, 910632, 1006488, 1024461, 1062404, 1078380, 1118320, 1132299, 1138290, 1258110, 1294056, 1328005, 1365948, 1437840, 1509732, 1517720, 1593606, 1617570, 1677480, 1707435, 1821264, 1887165, 2012976, 2048922, 2124808, 2156760, 2264598, 2276580, 2390409, 2516220, 2588112, 2656010, 2731896, 3019464, 3035440, 3073383, 3187212, 3235140, 3354960, 3414870, 3774330, 3984015, 4097844, 4249616, 4313520, 4529196, 4553160, 4780818, 5032440, 5122305, 5312020, 5463792, 5661495, 6038928, 6146766, 6374424, 6470280, 6829740, 7171227, 7548660, 7968030, 8195688, 9058392, 9106320, 9561636, 10064880, 10244610, 10624040, 11322990, 11952045, 12293532, 12748848, 12940560, 13659480, 14342454, 15097320, 15366915, 15936060, 16391376, 18116784, 19123272, 20489220, 21248080, 21513681, 22645980, 23904090, 24587064, 27318960, 28684908, 30194640, 30733830, 31872120, 35856135, 38246544, 40978440, 43027362, 45291960, 47808180, 49174128, 57369816, 61467660, 63744240, 71712270, 81956880, 86054724, 90583920, 95616360, 107568405, 114739632, 122935320, 143424540, 172109448, 191232720, 215136810, 245870640, 286849080, 344218896, 430273620, 573698160, 860547240, 1721094480]

約数ペア:

[(1, 1721094480), (2, 860547240), (3, 573698160), (4, 430273620), (5, 344218896), (6, 286849080), (7, 245870640), (8, 215136810), (9, 191232720), (10, 172109448), (12, 143424540), (14, 122935320), (15, 114739632), (16, 107568405), (18, 95616360), (19, 90583920), (20, 86054724), (21, 81956880), (24, 71712270), (27, 63744240), (28, 61467660), (30, 57369816), (35, 49174128), (36, 47808180), (38, 45291960), (40, 43027362), (42, 40978440), (45, 38246544), (48, 35856135), (54, 31872120), (56, 30733830), (57, 30194640), (60, 28684908), (63, 27318960), (70, 24587064), (72, 23904090), (76, 22645980), (80, 21513681), (81, 21248080), (84, 20489220), (90, 19123272), (95, 18116784), (105, 16391376), (108, 15936060), (112, 15366915), (114, 15097320), (120, 14342454), (126, 13659480), (133, 12940560), (135, 12748848), (140, 12293532), (144, 11952045), (152, 11322990), (162, 10624040), (168, 10244610), (171, 10064880), (180, 9561636), (189, 9106320), (190, 9058392), (210, 8195688), (216, 7968030), (228, 7548660), (240, 7171227), (252, 6829740), (266, 6470280), (270, 6374424), (280, 6146766), (285, 6038928), (304, 5661495), (315, 5463792), (324, 5312020), (336, 5122305), (342, 5032440), (360, 4780818), (378, 4553160), (380, 4529196), (399, 4313520), (405, 4249616), (420, 4097844), (432, 3984015), (456, 3774330), (504, 3414870), (513, 3354960), (532, 3235140), (540, 3187212), (560, 3073383), (567, 3035440), (570, 3019464), (630, 2731896), (648, 2656010), (665, 2588112), (684, 2516220), (720, 2390409), (756, 2276580), (760, 2264598), (798, 2156760), (810, 2124808), (840, 2048922), (855, 2012976), (912, 1887165), (945, 1821264), (1008, 1707435), (1026, 1677480), (1064, 1617570), (1080, 1593606), (1134, 1517720), (1140, 1509732), (1197, 1437840), (1260, 1365948), (1296, 1328005), (1330, 1294056), (1368, 1258110), (1512, 1138290), (1520, 1132299), (1539, 1118320), (1596, 1078380), (1620, 1062404), (1680, 1024461), (1710, 1006488), (1890, 910632), (1995, 862704), (1997, 861840), (2052, 838740), (2128, 808785), (2160, 796803), (2268, 758860), (2280, 754866), (2394, 718920), (2520, 682974), (2565, 670992), (2660, 647028), (2736, 629055), (2835, 607088), (3024, 569145), (3078, 559160), (3192, 539190), (3240, 531202), (3420, 503244), (3591, 479280), (3780, 455316), (3990, 431352), (3994, 430920), (4104, 419370), (4536, 379430), (4560, 377433), (4788, 359460), (5040, 341487), (5130, 335496), (5320, 323514), (5670, 303544), (5985, 287568), (5991, 287280), (6156, 279580), (6384, 269595), (6480, 265601), (6840, 251622), (7182, 239640), (7560, 227658), (7695, 223664), (7980, 215676), (7988, 215460), (8208, 209685), (9072, 189715), (9576, 179730), (9985, 172368), (10260, 167748), (10640, 161757), (10773, 159760), (11340, 151772), (11970, 143784), (11982, 143640), (12312, 139790), (13680, 125811), (13979, 123120), (14364, 119820), (15120, 113829), (15390, 111832), (15960, 107838), (15976, 107730), (17955, 95856), (17973, 95760), (19152, 89865), (19970, 86184), (20520, 83874), (21546, 79880), (22680, 75886), (23940, 71892), (23964, 71820), (24624, 69895), (27958, 61560), (28728, 59910), (29955, 57456), (30780, 55916), (31920, 53919), (31952, 53865), (35910, 47928), (35946, 47880), (37943, 45360), (39940, 43092), (41040, 41937)]