20581538400

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{263}}^1\times {\mathrm{3623}}^1$

素因数の和:3915

約数の個数: 288

約数和(自身を含む): 74740216320

約数和(自身を除く): 54158677920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 263, 270, 288, 300, 360, 400, 432, 450, 480, 526, 540, 600, 675, 720, 789, 800, 864, 900, 1052, 1080, 1200, 1315, 1350, 1440, 1578, 1800, 2104, 2160, 2367, 2400, 2630, 2700, 3156, 3600, 3623, 3945, 4208, 4320, 4734, 5260, 5400, 6312, 6575, 7101, 7200, 7246, 7890, 8416, 9468, 10520, 10800, 10869, 11835, 12624, 13150, 14202, 14492, 15780, 18115, 18936, 19725, 21040, 21600, 21738, 23670, 25248, 26300, 28404, 28984, 31560, 32607, 35505, 36230, 37872, 39450, 42080, 43476, 47340, 52600, 54345, 56808, 57968, 59175, 63120, 65214, 71010, 72460, 75744, 78900, 86952, 90575, 94680, 97821, 105200, 108690, 113616, 115936, 118350, 126240, 130428, 142020, 144920, 157800, 163035, 173904, 177525, 181150, 189360, 195642, 210400, 217380, 227232, 236700, 260856, 271725, 284040, 289840, 315600, 326070, 347808, 355050, 362300, 378720, 391284, 434760, 473400, 489105, 521712, 543450, 568080, 579680, 631200, 652140, 710100, 724600, 782568, 815175, 869520, 946800, 952849, 978210, 1043424, 1086900, 1136160, 1304280, 1420200, 1449200, 1565136, 1630350, 1739040, 1893600, 1905698, 1956420, 2173800, 2445525, 2608560, 2840400, 2858547, 2898400, 3130272, 3260700, 3811396, 3912840, 4347600, 4764245, 4891050, 5217120, 5680800, 5717094, 6521400, 7622792, 7825680, 8575641, 8695200, 9528490, 9782100, 11434188, 13042800, 14292735, 15245584, 15651360, 17151282, 19056980, 19564200, 22868376, 23821225, 25726923, 26085600, 28585470, 30491168, 34302564, 38113960, 39128400, 42878205, 45736752, 47642450, 51453846, 57170940, 68605128, 71463675, 76227920, 78256800, 85756410, 91473504, 95284900, 102907692, 114341880, 128634615, 137210256, 142927350, 152455840, 171512820, 190569800, 205815384, 214391025, 228683760, 257269230, 274420512, 285854700, 343025640, 381139600, 411630768, 428782050, 457367520, 514538460, 571709400, 643173075, 686051280, 762279200, 823261536, 857564100, 1029076920, 1143418800, 1286346150, 1372102560, 1715128200, 2058153840, 2286837600, 2572692300, 3430256400, 4116307680, 5145384600, 6860512800, 10290769200, 20581538400]

約数ペア:

[(1, 20581538400), (2, 10290769200), (3, 6860512800), (4, 5145384600), (5, 4116307680), (6, 3430256400), (8, 2572692300), (9, 2286837600), (10, 2058153840), (12, 1715128200), (15, 1372102560), (16, 1286346150), (18, 1143418800), (20, 1029076920), (24, 857564100), (25, 823261536), (27, 762279200), (30, 686051280), (32, 643173075), (36, 571709400), (40, 514538460), (45, 457367520), (48, 428782050), (50, 411630768), (54, 381139600), (60, 343025640), (72, 285854700), (75, 274420512), (80, 257269230), (90, 228683760), (96, 214391025), (100, 205815384), (108, 190569800), (120, 171512820), (135, 152455840), (144, 142927350), (150, 137210256), (160, 128634615), (180, 114341880), (200, 102907692), (216, 95284900), (225, 91473504), (240, 85756410), (263, 78256800), (270, 76227920), (288, 71463675), (300, 68605128), (360, 57170940), (400, 51453846), (432, 47642450), (450, 45736752), (480, 42878205), (526, 39128400), (540, 38113960), (600, 34302564), (675, 30491168), (720, 28585470), (789, 26085600), (800, 25726923), (864, 23821225), (900, 22868376), (1052, 19564200), (1080, 19056980), (1200, 17151282), (1315, 15651360), (1350, 15245584), (1440, 14292735), (1578, 13042800), (1800, 11434188), (2104, 9782100), (2160, 9528490), (2367, 8695200), (2400, 8575641), (2630, 7825680), (2700, 7622792), (3156, 6521400), (3600, 5717094), (3623, 5680800), (3945, 5217120), (4208, 4891050), (4320, 4764245), (4734, 4347600), (5260, 3912840), (5400, 3811396), (6312, 3260700), (6575, 3130272), (7101, 2898400), (7200, 2858547), (7246, 2840400), (7890, 2608560), (8416, 2445525), (9468, 2173800), (10520, 1956420), (10800, 1905698), (10869, 1893600), (11835, 1739040), (12624, 1630350), (13150, 1565136), (14202, 1449200), (14492, 1420200), (15780, 1304280), (18115, 1136160), (18936, 1086900), (19725, 1043424), (21040, 978210), (21600, 952849), (21738, 946800), (23670, 869520), (25248, 815175), (26300, 782568), (28404, 724600), (28984, 710100), (31560, 652140), (32607, 631200), (35505, 579680), (36230, 568080), (37872, 543450), (39450, 521712), (42080, 489105), (43476, 473400), (47340, 434760), (52600, 391284), (54345, 378720), (56808, 362300), (57968, 355050), (59175, 347808), (63120, 326070), (65214, 315600), (71010, 289840), (72460, 284040), (75744, 271725), (78900, 260856), (86952, 236700), (90575, 227232), (94680, 217380), (97821, 210400), (105200, 195642), (108690, 189360), (113616, 181150), (115936, 177525), (118350, 173904), (126240, 163035), (130428, 157800), (142020, 144920)]