68725440

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{487}}^1$

素因数の和:524

約数の個数: 252

約数和(自身を含む): 275545296

約数和(自身を除く): 206819856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 487, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 974, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1461, 1470, 1568, 1680, 1764, 1948, 1960, 2016, 2205, 2240, 2352, 2435, 2520, 2880, 2922, 2940, 3136, 3360, 3409, 3528, 3896, 3920, 4032, 4383, 4410, 4704, 4870, 5040, 5844, 5880, 6720, 6818, 7056, 7305, 7792, 7840, 8766, 8820, 9408, 9740, 10080, 10227, 11688, 11760, 13636, 14112, 14610, 15584, 15680, 17045, 17532, 17640, 19480, 20160, 20454, 21915, 23376, 23520, 23863, 27272, 28224, 29220, 30681, 31168, 34090, 35064, 35280, 38960, 40908, 43830, 46752, 47040, 47726, 51135, 54544, 58440, 61362, 68180, 70128, 70560, 71589, 77920, 81816, 87660, 93504, 95452, 102270, 109088, 116880, 119315, 122724, 136360, 140256, 141120, 143178, 153405, 155840, 163632, 175320, 190904, 204540, 214767, 218176, 233760, 238630, 245448, 272720, 280512, 286356, 306810, 327264, 350640, 357945, 381808, 409080, 429534, 467520, 477260, 490896, 545440, 572712, 613620, 654528, 701280, 715890, 763616, 818160, 859068, 954520, 981792, 1073835, 1090880, 1145424, 1227240, 1402560, 1431780, 1527232, 1636320, 1718136, 1909040, 1963584, 2147670, 2290848, 2454480, 2863560, 3272640, 3436272, 3818080, 4295340, 4581696, 4908960, 5727120, 6872544, 7636160, 8590680, 9817920, 11454240, 13745088, 17181360, 22908480, 34362720, 68725440]

約数ペア:

[(1, 68725440), (2, 34362720), (3, 22908480), (4, 17181360), (5, 13745088), (6, 11454240), (7, 9817920), (8, 8590680), (9, 7636160), (10, 6872544), (12, 5727120), (14, 4908960), (15, 4581696), (16, 4295340), (18, 3818080), (20, 3436272), (21, 3272640), (24, 2863560), (28, 2454480), (30, 2290848), (32, 2147670), (35, 1963584), (36, 1909040), (40, 1718136), (42, 1636320), (45, 1527232), (48, 1431780), (49, 1402560), (56, 1227240), (60, 1145424), (63, 1090880), (64, 1073835), (70, 981792), (72, 954520), (80, 859068), (84, 818160), (90, 763616), (96, 715890), (98, 701280), (105, 654528), (112, 613620), (120, 572712), (126, 545440), (140, 490896), (144, 477260), (147, 467520), (160, 429534), (168, 409080), (180, 381808), (192, 357945), (196, 350640), (210, 327264), (224, 306810), (240, 286356), (245, 280512), (252, 272720), (280, 245448), (288, 238630), (294, 233760), (315, 218176), (320, 214767), (336, 204540), (360, 190904), (392, 175320), (420, 163632), (441, 155840), (448, 153405), (480, 143178), (487, 141120), (490, 140256), (504, 136360), (560, 122724), (576, 119315), (588, 116880), (630, 109088), (672, 102270), (720, 95452), (735, 93504), (784, 87660), (840, 81816), (882, 77920), (960, 71589), (974, 70560), (980, 70128), (1008, 68180), (1120, 61362), (1176, 58440), (1260, 54544), (1344, 51135), (1440, 47726), (1461, 47040), (1470, 46752), (1568, 43830), (1680, 40908), (1764, 38960), (1948, 35280), (1960, 35064), (2016, 34090), (2205, 31168), (2240, 30681), (2352, 29220), (2435, 28224), (2520, 27272), (2880, 23863), (2922, 23520), (2940, 23376), (3136, 21915), (3360, 20454), (3409, 20160), (3528, 19480), (3896, 17640), (3920, 17532), (4032, 17045), (4383, 15680), (4410, 15584), (4704, 14610), (4870, 14112), (5040, 13636), (5844, 11760), (5880, 11688), (6720, 10227), (6818, 10080), (7056, 9740), (7305, 9408), (7792, 8820), (7840, 8766)]