285589980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 971582976

約数和(自身を除く): 685992996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 127, 130, 155, 156, 180, 186, 195, 234, 254, 260, 279, 310, 372, 381, 390, 403, 465, 468, 508, 558, 585, 620, 635, 762, 780, 806, 930, 961, 1116, 1143, 1170, 1209, 1270, 1395, 1524, 1612, 1651, 1860, 1905, 1922, 2015, 2286, 2340, 2418, 2540, 2790, 2883, 3302, 3627, 3810, 3844, 3937, 4030, 4572, 4805, 4836, 4953, 5580, 5715, 5766, 6045, 6604, 7254, 7620, 7874, 8060, 8255, 8649, 9610, 9906, 11430, 11532, 11811, 12090, 12493, 14415, 14508, 14859, 15748, 16510, 17298, 18135, 19220, 19685, 19812, 22860, 23622, 24180, 24765, 24986, 28830, 29718, 33020, 34596, 35433, 36270, 37479, 39370, 43245, 47244, 49530, 49972, 51181, 57660, 59055, 59436, 62465, 70866, 72540, 74295, 74958, 78740, 86490, 99060, 102362, 112437, 118110, 122047, 124930, 141732, 148590, 149916, 153543, 172980, 177165, 187395, 204724, 224874, 236220, 244094, 249860, 255905, 297180, 307086, 354330, 366141, 374790, 449748, 460629, 488188, 511810, 562185, 610235, 614172, 708660, 732282, 749580, 767715, 921258, 1023620, 1098423, 1124370, 1220470, 1464564, 1535430, 1586611, 1830705, 1842516, 2196846, 2248740, 2303145, 2440940, 3070860, 3173222, 3661410, 4393692, 4606290, 4759833, 5492115, 6346444, 7322820, 7933055, 9212580, 9519666, 10984230, 14279499, 15866110, 19039332, 21968460, 23799165, 28558998, 31732220, 47598330, 57117996, 71397495, 95196660, 142794990, 285589980]

約数ペア:

[(1, 285589980), (2, 142794990), (3, 95196660), (4, 71397495), (5, 57117996), (6, 47598330), (9, 31732220), (10, 28558998), (12, 23799165), (13, 21968460), (15, 19039332), (18, 15866110), (20, 14279499), (26, 10984230), (30, 9519666), (31, 9212580), (36, 7933055), (39, 7322820), (45, 6346444), (52, 5492115), (60, 4759833), (62, 4606290), (65, 4393692), (78, 3661410), (90, 3173222), (93, 3070860), (117, 2440940), (124, 2303145), (127, 2248740), (130, 2196846), (155, 1842516), (156, 1830705), (180, 1586611), (186, 1535430), (195, 1464564), (234, 1220470), (254, 1124370), (260, 1098423), (279, 1023620), (310, 921258), (372, 767715), (381, 749580), (390, 732282), (403, 708660), (465, 614172), (468, 610235), (508, 562185), (558, 511810), (585, 488188), (620, 460629), (635, 449748), (762, 374790), (780, 366141), (806, 354330), (930, 307086), (961, 297180), (1116, 255905), (1143, 249860), (1170, 244094), (1209, 236220), (1270, 224874), (1395, 204724), (1524, 187395), (1612, 177165), (1651, 172980), (1860, 153543), (1905, 149916), (1922, 148590), (2015, 141732), (2286, 124930), (2340, 122047), (2418, 118110), (2540, 112437), (2790, 102362), (2883, 99060), (3302, 86490), (3627, 78740), (3810, 74958), (3844, 74295), (3937, 72540), (4030, 70866), (4572, 62465), (4805, 59436), (4836, 59055), (4953, 57660), (5580, 51181), (5715, 49972), (5766, 49530), (6045, 47244), (6604, 43245), (7254, 39370), (7620, 37479), (7874, 36270), (8060, 35433), (8255, 34596), (8649, 33020), (9610, 29718), (9906, 28830), (11430, 24986), (11532, 24765), (11811, 24180), (12090, 23622), (12493, 22860), (14415, 19812), (14508, 19685), (14859, 19220), (15748, 18135), (16510, 17298)]