1990110720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 320

約数和(自身を含む): 7083546624

約数和(自身を除く): 5093435904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 372, 384, 390, 403, 416, 465, 480, 496, 512, 520, 620, 624, 640, 643, 744, 768, 780, 806, 832, 930, 960, 992, 1040, 1209, 1240, 1248, 1280, 1286, 1488, 1536, 1560, 1612, 1664, 1860, 1920, 1929, 1984, 2015, 2080, 2418, 2480, 2496, 2560, 2572, 2976, 3120, 3215, 3224, 3328, 3720, 3840, 3858, 3968, 4030, 4160, 4836, 4960, 4992, 5144, 5952, 6045, 6240, 6430, 6448, 6656, 7440, 7680, 7716, 7936, 8060, 8320, 8359, 9645, 9672, 9920, 9984, 10288, 11904, 12090, 12480, 12860, 12896, 14880, 15432, 15872, 16120, 16640, 16718, 19290, 19344, 19840, 19933, 19968, 20576, 23808, 24180, 24960, 25077, 25720, 25792, 29760, 30864, 32240, 33280, 33436, 38580, 38688, 39680, 39866, 41152, 41795, 47616, 48360, 49920, 50154, 51440, 51584, 59520, 59799, 61728, 64480, 66872, 77160, 77376, 79360, 79732, 82304, 83590, 96720, 99665, 99840, 100308, 102880, 103168, 119040, 119598, 123456, 125385, 128960, 133744, 154320, 154752, 159464, 164608, 167180, 193440, 199330, 200616, 205760, 206336, 238080, 239196, 246912, 250770, 257920, 259129, 267488, 298995, 308640, 309504, 318928, 329216, 334360, 386880, 398660, 401232, 411520, 478392, 493824, 501540, 515840, 518258, 534976, 597990, 617280, 619008, 637856, 668720, 773760, 777387, 797320, 802464, 823040, 956784, 987648, 1003080, 1031680, 1036516, 1069952, 1195980, 1234560, 1275712, 1295645, 1337440, 1547520, 1554774, 1594640, 1604928, 1646080, 1913568, 2006160, 2073032, 2139904, 2391960, 2469120, 2551424, 2591290, 2674880, 3095040, 3109548, 3189280, 3209856, 3827136, 3886935, 4012320, 4146064, 4279808, 4783920, 4938240, 5102848, 5182580, 5349760, 6219096, 6378560, 6419712, 7654272, 7773870, 8024640, 8292128, 9567840, 10205696, 10365160, 10699520, 12438192, 12757120, 12839424, 15308544, 15547740, 16049280, 16584256, 19135680, 20730320, 21399040, 24876384, 25514240, 30617088, 31095480, 32098560, 33168512, 38271360, 41460640, 49752768, 51028480, 62190960, 64197120, 66337024, 76542720, 82921280, 99505536, 124381920, 132674048, 153085440, 165842560, 199011072, 248763840, 331685120, 398022144, 497527680, 663370240, 995055360, 1990110720]

約数ペア:

[(1, 1990110720), (2, 995055360), (3, 663370240), (4, 497527680), (5, 398022144), (6, 331685120), (8, 248763840), (10, 199011072), (12, 165842560), (13, 153085440), (15, 132674048), (16, 124381920), (20, 99505536), (24, 82921280), (26, 76542720), (30, 66337024), (31, 64197120), (32, 62190960), (39, 51028480), (40, 49752768), (48, 41460640), (52, 38271360), (60, 33168512), (62, 32098560), (64, 31095480), (65, 30617088), (78, 25514240), (80, 24876384), (93, 21399040), (96, 20730320), (104, 19135680), (120, 16584256), (124, 16049280), (128, 15547740), (130, 15308544), (155, 12839424), (156, 12757120), (160, 12438192), (186, 10699520), (192, 10365160), (195, 10205696), (208, 9567840), (240, 8292128), (248, 8024640), (256, 7773870), (260, 7654272), (310, 6419712), (312, 6378560), (320, 6219096), (372, 5349760), (384, 5182580), (390, 5102848), (403, 4938240), (416, 4783920), (465, 4279808), (480, 4146064), (496, 4012320), (512, 3886935), (520, 3827136), (620, 3209856), (624, 3189280), (640, 3109548), (643, 3095040), (744, 2674880), (768, 2591290), (780, 2551424), (806, 2469120), (832, 2391960), (930, 2139904), (960, 2073032), (992, 2006160), (1040, 1913568), (1209, 1646080), (1240, 1604928), (1248, 1594640), (1280, 1554774), (1286, 1547520), (1488, 1337440), (1536, 1295645), (1560, 1275712), (1612, 1234560), (1664, 1195980), (1860, 1069952), (1920, 1036516), (1929, 1031680), (1984, 1003080), (2015, 987648), (2080, 956784), (2418, 823040), (2480, 802464), (2496, 797320), (2560, 777387), (2572, 773760), (2976, 668720), (3120, 637856), (3215, 619008), (3224, 617280), (3328, 597990), (3720, 534976), (3840, 518258), (3858, 515840), (3968, 501540), (4030, 493824), (4160, 478392), (4836, 411520), (4960, 401232), (4992, 398660), (5144, 386880), (5952, 334360), (6045, 329216), (6240, 318928), (6430, 309504), (6448, 308640), (6656, 298995), (7440, 267488), (7680, 259129), (7716, 257920), (7936, 250770), (8060, 246912), (8320, 239196), (8359, 238080), (9645, 206336), (9672, 205760), (9920, 200616), (9984, 199330), (10288, 193440), (11904, 167180), (12090, 164608), (12480, 159464), (12860, 154752), (12896, 154320), (14880, 133744), (15432, 128960), (15872, 125385), (16120, 123456), (16640, 119598), (16718, 119040), (19290, 103168), (19344, 102880), (19840, 100308), (19933, 99840), (19968, 99665), (20576, 96720), (23808, 83590), (24180, 82304), (24960, 79732), (25077, 79360), (25720, 77376), (25792, 77160), (29760, 66872), (30864, 64480), (32240, 61728), (33280, 59799), (33436, 59520), (38580, 51584), (38688, 51440), (39680, 50154), (39866, 49920), (41152, 48360), (41795, 47616)]