181349280

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{1999}}^1$

素因数の和:2033

約数の個数: 240

約数和(自身を含む): 731808000

約数和(自身を除く): 550458720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 1999, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 3998, 4320, 4536, 5040, 5670, 5997, 6048, 6480, 7560, 7996, 9072, 9995, 10080, 11340, 11994, 12960, 13993, 15120, 15992, 17991, 18144, 19990, 22680, 23988, 27986, 29985, 30240, 31984, 35982, 39980, 41979, 45360, 47976, 53973, 55972, 59970, 63968, 69965, 71964, 79960, 83958, 89955, 90720, 95952, 107946, 111944, 119940, 125937, 139930, 143928, 159920, 161919, 167916, 179910, 191904, 209895, 215892, 223888, 239880, 251874, 269865, 279860, 287856, 319840, 323838, 335832, 359820, 377811, 419790, 431784, 447776, 479760, 503748, 539730, 559720, 575712, 629685, 647676, 671664, 719640, 755622, 809595, 839580, 863568, 959520, 1007496, 1079460, 1119440, 1133433, 1259370, 1295352, 1343328, 1439280, 1511244, 1619190, 1679160, 1727136, 1889055, 2014992, 2158920, 2238880, 2266866, 2518740, 2590704, 2878560, 3022488, 3238380, 3358320, 3778110, 4029984, 4317840, 4533732, 5037480, 5181408, 5667165, 6044976, 6476760, 6716640, 7556220, 8635680, 9067464, 10074960, 11334330, 12089952, 12953520, 15112440, 18134928, 20149920, 22668660, 25907040, 30224880, 36269856, 45337320, 60449760, 90674640, 181349280]

約数ペア:

[(1, 181349280), (2, 90674640), (3, 60449760), (4, 45337320), (5, 36269856), (6, 30224880), (7, 25907040), (8, 22668660), (9, 20149920), (10, 18134928), (12, 15112440), (14, 12953520), (15, 12089952), (16, 11334330), (18, 10074960), (20, 9067464), (21, 8635680), (24, 7556220), (27, 6716640), (28, 6476760), (30, 6044976), (32, 5667165), (35, 5181408), (36, 5037480), (40, 4533732), (42, 4317840), (45, 4029984), (48, 3778110), (54, 3358320), (56, 3238380), (60, 3022488), (63, 2878560), (70, 2590704), (72, 2518740), (80, 2266866), (81, 2238880), (84, 2158920), (90, 2014992), (96, 1889055), (105, 1727136), (108, 1679160), (112, 1619190), (120, 1511244), (126, 1439280), (135, 1343328), (140, 1295352), (144, 1259370), (160, 1133433), (162, 1119440), (168, 1079460), (180, 1007496), (189, 959520), (210, 863568), (216, 839580), (224, 809595), (240, 755622), (252, 719640), (270, 671664), (280, 647676), (288, 629685), (315, 575712), (324, 559720), (336, 539730), (360, 503748), (378, 479760), (405, 447776), (420, 431784), (432, 419790), (480, 377811), (504, 359820), (540, 335832), (560, 323838), (567, 319840), (630, 287856), (648, 279860), (672, 269865), (720, 251874), (756, 239880), (810, 223888), (840, 215892), (864, 209895), (945, 191904), (1008, 179910), (1080, 167916), (1120, 161919), (1134, 159920), (1260, 143928), (1296, 139930), (1440, 125937), (1512, 119940), (1620, 111944), (1680, 107946), (1890, 95952), (1999, 90720), (2016, 89955), (2160, 83958), (2268, 79960), (2520, 71964), (2592, 69965), (2835, 63968), (3024, 59970), (3240, 55972), (3360, 53973), (3780, 47976), (3998, 45360), (4320, 41979), (4536, 39980), (5040, 35982), (5670, 31984), (5997, 30240), (6048, 29985), (6480, 27986), (7560, 23988), (7996, 22680), (9072, 19990), (9995, 18144), (10080, 17991), (11340, 15992), (11994, 15120), (12960, 13993)]