209651760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 240

約数和(自身を含む): 753567840

約数和(自身を除く): 543916080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 101, 108, 120, 124, 135, 144, 155, 180, 186, 202, 216, 240, 248, 270, 279, 303, 310, 360, 372, 404, 432, 465, 496, 505, 540, 558, 606, 620, 720, 744, 808, 837, 909, 930, 961, 1010, 1080, 1116, 1212, 1240, 1395, 1488, 1515, 1616, 1674, 1818, 1860, 1922, 2020, 2160, 2232, 2424, 2480, 2727, 2790, 2883, 3030, 3131, 3348, 3636, 3720, 3844, 4040, 4185, 4464, 4545, 4805, 4848, 5454, 5580, 5766, 6060, 6262, 6696, 7272, 7440, 7688, 8080, 8370, 8649, 9090, 9393, 9610, 10908, 11160, 11532, 12120, 12524, 13392, 13635, 14415, 14544, 15376, 15655, 16740, 17298, 18180, 18786, 19220, 21816, 22320, 23064, 24240, 25048, 25947, 27270, 28179, 28830, 31310, 33480, 34596, 36360, 37572, 38440, 43245, 43632, 46128, 46965, 50096, 51894, 54540, 56358, 57660, 62620, 66960, 69192, 72720, 75144, 76880, 84537, 86490, 93930, 97061, 103788, 109080, 112716, 115320, 125240, 129735, 138384, 140895, 150288, 169074, 172980, 187860, 194122, 207576, 218160, 225432, 230640, 250480, 259470, 281790, 291183, 338148, 345960, 375720, 388244, 415152, 422685, 450864, 485305, 518940, 563580, 582366, 676296, 691920, 751440, 776488, 845370, 873549, 970610, 1037880, 1127160, 1164732, 1352592, 1455915, 1552976, 1690740, 1747098, 1941220, 2075760, 2254320, 2329464, 2620647, 2911830, 3381480, 3494196, 3882440, 4367745, 4658928, 5241294, 5823660, 6762960, 6988392, 7764880, 8735490, 10482588, 11647320, 13103235, 13976784, 17470980, 20965176, 23294640, 26206470, 34941960, 41930352, 52412940, 69883920, 104825880, 209651760]

約数ペア:

[(1, 209651760), (2, 104825880), (3, 69883920), (4, 52412940), (5, 41930352), (6, 34941960), (8, 26206470), (9, 23294640), (10, 20965176), (12, 17470980), (15, 13976784), (16, 13103235), (18, 11647320), (20, 10482588), (24, 8735490), (27, 7764880), (30, 6988392), (31, 6762960), (36, 5823660), (40, 5241294), (45, 4658928), (48, 4367745), (54, 3882440), (60, 3494196), (62, 3381480), (72, 2911830), (80, 2620647), (90, 2329464), (93, 2254320), (101, 2075760), (108, 1941220), (120, 1747098), (124, 1690740), (135, 1552976), (144, 1455915), (155, 1352592), (180, 1164732), (186, 1127160), (202, 1037880), (216, 970610), (240, 873549), (248, 845370), (270, 776488), (279, 751440), (303, 691920), (310, 676296), (360, 582366), (372, 563580), (404, 518940), (432, 485305), (465, 450864), (496, 422685), (505, 415152), (540, 388244), (558, 375720), (606, 345960), (620, 338148), (720, 291183), (744, 281790), (808, 259470), (837, 250480), (909, 230640), (930, 225432), (961, 218160), (1010, 207576), (1080, 194122), (1116, 187860), (1212, 172980), (1240, 169074), (1395, 150288), (1488, 140895), (1515, 138384), (1616, 129735), (1674, 125240), (1818, 115320), (1860, 112716), (1922, 109080), (2020, 103788), (2160, 97061), (2232, 93930), (2424, 86490), (2480, 84537), (2727, 76880), (2790, 75144), (2883, 72720), (3030, 69192), (3131, 66960), (3348, 62620), (3636, 57660), (3720, 56358), (3844, 54540), (4040, 51894), (4185, 50096), (4464, 46965), (4545, 46128), (4805, 43632), (4848, 43245), (5454, 38440), (5580, 37572), (5766, 36360), (6060, 34596), (6262, 33480), (6696, 31310), (7272, 28830), (7440, 28179), (7688, 27270), (8080, 25947), (8370, 25048), (8649, 24240), (9090, 23064), (9393, 22320), (9610, 21816), (10908, 19220), (11160, 18786), (11532, 18180), (12120, 17298), (12524, 16740), (13392, 15655), (13635, 15376), (14415, 14544)]