198775920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:863

約数の個数: 160

約数和(自身を含む): 709240320

約数和(自身を除く): 510464400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 179, 210, 240, 280, 336, 358, 420, 537, 560, 661, 716, 840, 895, 1074, 1253, 1322, 1432, 1680, 1790, 1983, 2148, 2506, 2644, 2685, 2864, 3305, 3580, 3759, 3966, 4296, 4627, 5012, 5288, 5370, 6265, 6610, 7160, 7518, 7932, 8592, 9254, 9915, 10024, 10576, 10740, 12530, 13220, 13881, 14320, 15036, 15864, 18508, 18795, 19830, 20048, 21480, 23135, 25060, 26440, 27762, 30072, 31728, 37016, 37590, 39660, 42960, 46270, 50120, 52880, 55524, 60144, 69405, 74032, 75180, 79320, 92540, 100240, 111048, 118319, 138810, 150360, 158640, 185080, 222096, 236638, 277620, 300720, 354957, 370160, 473276, 555240, 591595, 709914, 828233, 946552, 1110480, 1183190, 1419828, 1656466, 1774785, 1893104, 2366380, 2484699, 2839656, 3312932, 3549570, 4141165, 4732760, 4969398, 5679312, 6625864, 7099140, 8282330, 9465520, 9938796, 12423495, 13251728, 14198280, 16564660, 19877592, 24846990, 28396560, 33129320, 39755184, 49693980, 66258640, 99387960, 198775920]

約数ペア:

[(1, 198775920), (2, 99387960), (3, 66258640), (4, 49693980), (5, 39755184), (6, 33129320), (7, 28396560), (8, 24846990), (10, 19877592), (12, 16564660), (14, 14198280), (15, 13251728), (16, 12423495), (20, 9938796), (21, 9465520), (24, 8282330), (28, 7099140), (30, 6625864), (35, 5679312), (40, 4969398), (42, 4732760), (48, 4141165), (56, 3549570), (60, 3312932), (70, 2839656), (80, 2484699), (84, 2366380), (105, 1893104), (112, 1774785), (120, 1656466), (140, 1419828), (168, 1183190), (179, 1110480), (210, 946552), (240, 828233), (280, 709914), (336, 591595), (358, 555240), (420, 473276), (537, 370160), (560, 354957), (661, 300720), (716, 277620), (840, 236638), (895, 222096), (1074, 185080), (1253, 158640), (1322, 150360), (1432, 138810), (1680, 118319), (1790, 111048), (1983, 100240), (2148, 92540), (2506, 79320), (2644, 75180), (2685, 74032), (2864, 69405), (3305, 60144), (3580, 55524), (3759, 52880), (3966, 50120), (4296, 46270), (4627, 42960), (5012, 39660), (5288, 37590), (5370, 37016), (6265, 31728), (6610, 30072), (7160, 27762), (7518, 26440), (7932, 25060), (8592, 23135), (9254, 21480), (9915, 20048), (10024, 19830), (10576, 18795), (10740, 18508), (12530, 15864), (13220, 15036), (13881, 14320)]