20687741760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{6427}}^1$

素因数の和:6933

約数の個数: 224

約数和(自身を含む): 75235368960

約数和(自身を除く): 54547627200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 479, 480, 560, 672, 840, 958, 960, 1120, 1344, 1437, 1680, 1916, 2240, 2395, 2874, 3353, 3360, 3832, 4790, 5748, 6427, 6706, 6720, 7185, 7664, 9580, 10059, 11496, 12854, 13412, 14370, 15328, 16765, 19160, 19281, 20118, 22992, 25708, 26824, 28740, 30656, 32135, 33530, 38320, 38562, 40236, 44989, 45984, 50295, 51416, 53648, 57480, 64270, 67060, 76640, 77124, 80472, 89978, 91968, 96405, 100590, 102832, 107296, 114960, 128540, 134120, 134967, 153280, 154248, 160944, 179956, 192810, 201180, 205664, 214592, 224945, 229920, 257080, 268240, 269934, 308496, 321888, 359912, 385620, 402360, 411328, 449890, 459840, 514160, 536480, 539868, 616992, 643776, 674835, 719824, 771240, 804720, 899780, 1028320, 1072960, 1079736, 1233984, 1349670, 1439648, 1542480, 1609440, 1799560, 2056640, 2159472, 2699340, 2879296, 3078533, 3084960, 3218880, 3599120, 4318944, 5398680, 6157066, 6169920, 7198240, 8637888, 9235599, 10797360, 12314132, 14396480, 15392665, 18471198, 21549731, 21594720, 24628264, 30785330, 36942396, 43099462, 43189440, 46177995, 49256528, 61570660, 64649193, 73884792, 86198924, 92355990, 98513056, 107748655, 123141320, 129298386, 147769584, 172397848, 184711980, 197026112, 215497310, 246282640, 258596772, 295539168, 323245965, 344795696, 369423960, 430994620, 492565280, 517193544, 591078336, 646491930, 689591392, 738847920, 861989240, 985130560, 1034387088, 1292983860, 1379182784, 1477695840, 1723978480, 2068774176, 2585967720, 2955391680, 3447956960, 4137548352, 5171935440, 6895913920, 10343870880, 20687741760]

約数ペア:

[(1, 20687741760), (2, 10343870880), (3, 6895913920), (4, 5171935440), (5, 4137548352), (6, 3447956960), (7, 2955391680), (8, 2585967720), (10, 2068774176), (12, 1723978480), (14, 1477695840), (15, 1379182784), (16, 1292983860), (20, 1034387088), (21, 985130560), (24, 861989240), (28, 738847920), (30, 689591392), (32, 646491930), (35, 591078336), (40, 517193544), (42, 492565280), (48, 430994620), (56, 369423960), (60, 344795696), (64, 323245965), (70, 295539168), (80, 258596772), (84, 246282640), (96, 215497310), (105, 197026112), (112, 184711980), (120, 172397848), (140, 147769584), (160, 129298386), (168, 123141320), (192, 107748655), (210, 98513056), (224, 92355990), (240, 86198924), (280, 73884792), (320, 64649193), (336, 61570660), (420, 49256528), (448, 46177995), (479, 43189440), (480, 43099462), (560, 36942396), (672, 30785330), (840, 24628264), (958, 21594720), (960, 21549731), (1120, 18471198), (1344, 15392665), (1437, 14396480), (1680, 12314132), (1916, 10797360), (2240, 9235599), (2395, 8637888), (2874, 7198240), (3353, 6169920), (3360, 6157066), (3832, 5398680), (4790, 4318944), (5748, 3599120), (6427, 3218880), (6706, 3084960), (6720, 3078533), (7185, 2879296), (7664, 2699340), (9580, 2159472), (10059, 2056640), (11496, 1799560), (12854, 1609440), (13412, 1542480), (14370, 1439648), (15328, 1349670), (16765, 1233984), (19160, 1079736), (19281, 1072960), (20118, 1028320), (22992, 899780), (25708, 804720), (26824, 771240), (28740, 719824), (30656, 674835), (32135, 643776), (33530, 616992), (38320, 539868), (38562, 536480), (40236, 514160), (44989, 459840), (45984, 449890), (50295, 411328), (51416, 402360), (53648, 385620), (57480, 359912), (64270, 321888), (67060, 308496), (76640, 269934), (77124, 268240), (80472, 257080), (89978, 229920), (91968, 224945), (96405, 214592), (100590, 205664), (102832, 201180), (107296, 192810), (114960, 179956), (128540, 160944), (134120, 154248), (134967, 153280)]