820198195920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12249077}}^1$

素因数の和:12249130

約数の個数: 160

約数和(自身を含む): 2916260490240

約数和(自身を除く): 2096062294320

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, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 3348, 3720, 4185, 4464, 5580, 6696, 7440, 8370, 11160, 13392, 16740, 22320, 33480, 66960, 12249077, 24498154, 36747231, 48996308, 61245385, 73494462, 97992616, 110241693, 122490770, 146988924, 183736155, 195985232, 220483386, 244981540, 293977848, 330725079, 367472310, 379721387, 440966772, 489963080, 551208465, 587955696, 661450158, 734944620, 759442774, 881933544, 979926160, 1102416930, 1139164161, 1322900316, 1469889240, 1518885548, 1653625395, 1763867088, 1898606935, 2204833860, 2278328322, 2645800632, 2939778480, 3037771096, 3307250790, 3417492483, 3797213870, 4409667720, 4556656644, 5291601264, 5695820805, 6075542192, 6614501580, 6834984966, 7594427740, 8819335440, 9113313288, 10252477449, 11391641610, 13229003160, 13669969932, 15188855480, 17087462415, 18226626576, 20504954898, 22783283220, 26458006320, 27339939864, 30377710960, 34174924830, 41009909796, 45566566440, 51262387245, 54679879728, 68349849660, 82019819592, 91133132880, 102524774490, 136699699320, 164039639184, 205049548980, 273399398640, 410099097960, 820198195920]

約数ペア:

[(1, 820198195920), (2, 410099097960), (3, 273399398640), (4, 205049548980), (5, 164039639184), (6, 136699699320), (8, 102524774490), (9, 91133132880), (10, 82019819592), (12, 68349849660), (15, 54679879728), (16, 51262387245), (18, 45566566440), (20, 41009909796), (24, 34174924830), (27, 30377710960), (30, 27339939864), (31, 26458006320), (36, 22783283220), (40, 20504954898), (45, 18226626576), (48, 17087462415), (54, 15188855480), (60, 13669969932), (62, 13229003160), (72, 11391641610), (80, 10252477449), (90, 9113313288), (93, 8819335440), (108, 7594427740), (120, 6834984966), (124, 6614501580), (135, 6075542192), (144, 5695820805), (155, 5291601264), (180, 4556656644), (186, 4409667720), (216, 3797213870), (240, 3417492483), (248, 3307250790), (270, 3037771096), (279, 2939778480), (310, 2645800632), (360, 2278328322), (372, 2204833860), (432, 1898606935), (465, 1763867088), (496, 1653625395), (540, 1518885548), (558, 1469889240), (620, 1322900316), (720, 1139164161), (744, 1102416930), (837, 979926160), (930, 881933544), (1080, 759442774), (1116, 734944620), (1240, 661450158), (1395, 587955696), (1488, 551208465), (1674, 489963080), (1860, 440966772), (2160, 379721387), (2232, 367472310), (2480, 330725079), (2790, 293977848), (3348, 244981540), (3720, 220483386), (4185, 195985232), (4464, 183736155), (5580, 146988924), (6696, 122490770), (7440, 110241693), (8370, 97992616), (11160, 73494462), (13392, 61245385), (16740, 48996308), (22320, 36747231), (33480, 24498154), (66960, 12249077)]