21980438400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73859}}^1$

素因数の和:73917

約数の個数: 192

約数和(自身を含む): 74734502400

約数和(自身を除く): 52754064000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 120, 124, 128, 150, 155, 160, 186, 192, 200, 240, 248, 300, 310, 320, 372, 384, 400, 465, 480, 496, 600, 620, 640, 744, 775, 800, 930, 960, 992, 1200, 1240, 1488, 1550, 1600, 1860, 1920, 1984, 2325, 2400, 2480, 2976, 3100, 3200, 3720, 3968, 4650, 4800, 4960, 5952, 6200, 7440, 9300, 9600, 9920, 11904, 12400, 14880, 18600, 19840, 24800, 29760, 37200, 49600, 59520, 73859, 74400, 99200, 147718, 148800, 221577, 295436, 297600, 369295, 443154, 590872, 738590, 886308, 1107885, 1181744, 1477180, 1772616, 1846475, 2215770, 2289629, 2363488, 2954360, 3545232, 3692950, 4431540, 4579258, 4726976, 5539425, 5908720, 6868887, 7090464, 7385900, 8863080, 9158516, 9453952, 11078850, 11448145, 11817440, 13737774, 14180928, 14771800, 17726160, 18317032, 22157700, 22896290, 23634880, 27475548, 28361856, 29543600, 34344435, 35452320, 36634064, 44315400, 45792580, 47269760, 54951096, 57240725, 59087200, 68688870, 70904640, 73268128, 88630800, 91585160, 109902192, 114481450, 118174400, 137377740, 141809280, 146536256, 171722175, 177261600, 183170320, 219804384, 228962900, 236348800, 274755480, 293072512, 343444350, 354523200, 366340640, 439608768, 457925800, 549510960, 686888700, 709046400, 732681280, 879217536, 915851600, 1099021920, 1373777400, 1465362560, 1831703200, 2198043840, 2747554800, 3663406400, 4396087680, 5495109600, 7326812800, 10990219200, 21980438400]

約数ペア:

[(1, 21980438400), (2, 10990219200), (3, 7326812800), (4, 5495109600), (5, 4396087680), (6, 3663406400), (8, 2747554800), (10, 2198043840), (12, 1831703200), (15, 1465362560), (16, 1373777400), (20, 1099021920), (24, 915851600), (25, 879217536), (30, 732681280), (31, 709046400), (32, 686888700), (40, 549510960), (48, 457925800), (50, 439608768), (60, 366340640), (62, 354523200), (64, 343444350), (75, 293072512), (80, 274755480), (93, 236348800), (96, 228962900), (100, 219804384), (120, 183170320), (124, 177261600), (128, 171722175), (150, 146536256), (155, 141809280), (160, 137377740), (186, 118174400), (192, 114481450), (200, 109902192), (240, 91585160), (248, 88630800), (300, 73268128), (310, 70904640), (320, 68688870), (372, 59087200), (384, 57240725), (400, 54951096), (465, 47269760), (480, 45792580), (496, 44315400), (600, 36634064), (620, 35452320), (640, 34344435), (744, 29543600), (775, 28361856), (800, 27475548), (930, 23634880), (960, 22896290), (992, 22157700), (1200, 18317032), (1240, 17726160), (1488, 14771800), (1550, 14180928), (1600, 13737774), (1860, 11817440), (1920, 11448145), (1984, 11078850), (2325, 9453952), (2400, 9158516), (2480, 8863080), (2976, 7385900), (3100, 7090464), (3200, 6868887), (3720, 5908720), (3968, 5539425), (4650, 4726976), (4800, 4579258), (4960, 4431540), (5952, 3692950), (6200, 3545232), (7440, 2954360), (9300, 2363488), (9600, 2289629), (9920, 2215770), (11904, 1846475), (12400, 1772616), (14880, 1477180), (18600, 1181744), (19840, 1107885), (24800, 886308), (29760, 738590), (37200, 590872), (49600, 443154), (59520, 369295), (73859, 297600), (74400, 295436), (99200, 221577), (147718, 148800)]