21806581320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{5009}}^1$

素因数の和:5197

約数の個数: 256

約数和(自身を含む): 75751200000

約数和(自身を除く): 53944618680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 139, 145, 174, 180, 216, 232, 261, 270, 278, 290, 348, 360, 417, 435, 522, 540, 556, 580, 695, 696, 783, 834, 870, 1044, 1080, 1112, 1160, 1251, 1305, 1390, 1566, 1668, 1740, 2085, 2088, 2502, 2610, 2780, 3132, 3336, 3480, 3753, 3915, 4031, 4170, 5004, 5009, 5220, 5560, 6255, 6264, 7506, 7830, 8062, 8340, 10008, 10018, 10440, 12093, 12510, 15012, 15027, 15660, 16124, 16680, 18765, 20036, 20155, 24186, 25020, 25045, 30024, 30054, 31320, 32248, 36279, 37530, 40072, 40310, 45081, 48372, 50040, 50090, 60108, 60465, 72558, 75060, 75135, 80620, 90162, 96744, 100180, 108837, 120216, 120930, 135243, 145116, 145261, 150120, 150270, 161240, 180324, 181395, 200360, 217674, 225405, 241860, 270486, 290232, 290522, 300540, 360648, 362790, 435348, 435783, 450810, 483720, 540972, 544185, 581044, 601080, 676215, 696251, 725580, 726305, 870696, 871566, 901620, 1081944, 1088370, 1162088, 1307349, 1352430, 1392502, 1451160, 1452610, 1743132, 1803240, 2088753, 2176740, 2178915, 2614698, 2704860, 2785004, 2905220, 3481255, 3486264, 3922047, 4177506, 4353480, 4357830, 5229396, 5409720, 5570008, 5810440, 6266259, 6536745, 6962510, 7844094, 8355012, 8715660, 10443765, 10458792, 12532518, 13073490, 13925020, 15688188, 16710024, 17431320, 18798777, 19610235, 20191279, 20887530, 25065036, 26146980, 27850040, 31331295, 31376376, 37597554, 39220470, 40382558, 41775060, 50130072, 52293960, 60573837, 62662590, 75195108, 78440940, 80765116, 83550120, 93993885, 100956395, 121147674, 125325180, 150390216, 156881880, 161530232, 181721511, 187987770, 201912790, 242295348, 250650360, 302869185, 363443022, 375975540, 403825580, 484590696, 545164533, 605738370, 726886044, 751951080, 807651160, 908607555, 1090329066, 1211476740, 1453772088, 1817215110, 2180658132, 2422953480, 2725822665, 3634430220, 4361316264, 5451645330, 7268860440, 10903290660, 21806581320]

約数ペア:

[(1, 21806581320), (2, 10903290660), (3, 7268860440), (4, 5451645330), (5, 4361316264), (6, 3634430220), (8, 2725822665), (9, 2422953480), (10, 2180658132), (12, 1817215110), (15, 1453772088), (18, 1211476740), (20, 1090329066), (24, 908607555), (27, 807651160), (29, 751951080), (30, 726886044), (36, 605738370), (40, 545164533), (45, 484590696), (54, 403825580), (58, 375975540), (60, 363443022), (72, 302869185), (87, 250650360), (90, 242295348), (108, 201912790), (116, 187987770), (120, 181721511), (135, 161530232), (139, 156881880), (145, 150390216), (174, 125325180), (180, 121147674), (216, 100956395), (232, 93993885), (261, 83550120), (270, 80765116), (278, 78440940), (290, 75195108), (348, 62662590), (360, 60573837), (417, 52293960), (435, 50130072), (522, 41775060), (540, 40382558), (556, 39220470), (580, 37597554), (695, 31376376), (696, 31331295), (783, 27850040), (834, 26146980), (870, 25065036), (1044, 20887530), (1080, 20191279), (1112, 19610235), (1160, 18798777), (1251, 17431320), (1305, 16710024), (1390, 15688188), (1566, 13925020), (1668, 13073490), (1740, 12532518), (2085, 10458792), (2088, 10443765), (2502, 8715660), (2610, 8355012), (2780, 7844094), (3132, 6962510), (3336, 6536745), (3480, 6266259), (3753, 5810440), (3915, 5570008), (4031, 5409720), (4170, 5229396), (5004, 4357830), (5009, 4353480), (5220, 4177506), (5560, 3922047), (6255, 3486264), (6264, 3481255), (7506, 2905220), (7830, 2785004), (8062, 2704860), (8340, 2614698), (10008, 2178915), (10018, 2176740), (10440, 2088753), (12093, 1803240), (12510, 1743132), (15012, 1452610), (15027, 1451160), (15660, 1392502), (16124, 1352430), (16680, 1307349), (18765, 1162088), (20036, 1088370), (20155, 1081944), (24186, 901620), (25020, 871566), (25045, 870696), (30024, 726305), (30054, 725580), (31320, 696251), (32248, 676215), (36279, 601080), (37530, 581044), (40072, 544185), (40310, 540972), (45081, 483720), (48372, 450810), (50040, 435783), (50090, 435348), (60108, 362790), (60465, 360648), (72558, 300540), (75060, 290522), (75135, 290232), (80620, 270486), (90162, 241860), (96744, 225405), (100180, 217674), (108837, 200360), (120216, 181395), (120930, 180324), (135243, 161240), (145116, 150270), (145261, 150120)]