20921880960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1063}}^1$

素因数の和:1175

約数の個数: 512

約数和(自身を含む): 79702963200

約数和(自身を除く): 58781082240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 67, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 134, 135, 136, 144, 153, 160, 170, 180, 192, 201, 204, 216, 240, 255, 268, 270, 272, 288, 306, 320, 335, 340, 360, 384, 402, 408, 432, 459, 480, 510, 536, 540, 544, 576, 603, 612, 640, 670, 680, 720, 765, 804, 816, 864, 918, 960, 1005, 1020, 1063, 1072, 1080, 1088, 1139, 1152, 1206, 1224, 1340, 1360, 1440, 1530, 1608, 1632, 1728, 1809, 1836, 1920, 2010, 2040, 2126, 2144, 2160, 2176, 2278, 2295, 2412, 2448, 2680, 2720, 2880, 3015, 3060, 3189, 3216, 3264, 3417, 3456, 3618, 3672, 4020, 4080, 4252, 4288, 4320, 4556, 4590, 4824, 4896, 5315, 5360, 5440, 5695, 5760, 6030, 6120, 6378, 6432, 6528, 6834, 7236, 7344, 8040, 8160, 8504, 8576, 8640, 9045, 9112, 9180, 9567, 9648, 9792, 10251, 10630, 10720, 10880, 11390, 12060, 12240, 12756, 12864, 13668, 14472, 14688, 15945, 16080, 16320, 17008, 17085, 17280, 18071, 18090, 18224, 18360, 19134, 19296, 19584, 20502, 21260, 21440, 22780, 24120, 24480, 25512, 25728, 27336, 28701, 28944, 29376, 30753, 31890, 32160, 32640, 34016, 34170, 36142, 36180, 36448, 36720, 38268, 38592, 41004, 42520, 42880, 45560, 47835, 48240, 48960, 51024, 51255, 54213, 54672, 57402, 57888, 58752, 61506, 63780, 64320, 68032, 68340, 71221, 72284, 72360, 72896, 73440, 76536, 77184, 82008, 85040, 90355, 91120, 95670, 96480, 97920, 102048, 102510, 108426, 109344, 114804, 115776, 123012, 127560, 128640, 136064, 136680, 142442, 143505, 144568, 144720, 145792, 146880, 153072, 153765, 162639, 164016, 170080, 180710, 182240, 191340, 192960, 204096, 205020, 213663, 216852, 218688, 229608, 231552, 246024, 255120, 271065, 273360, 284884, 287010, 289136, 289440, 293760, 306144, 307530, 325278, 328032, 340160, 356105, 361420, 364480, 382680, 385920, 408192, 410040, 427326, 433704, 437376, 459216, 487917, 492048, 510240, 542130, 546720, 569768, 574020, 578272, 578880, 612288, 615060, 640989, 650556, 656064, 680320, 712210, 722840, 728960, 765360, 813195, 820080, 854652, 867408, 918432, 975834, 984096, 1020480, 1068315, 1084260, 1093440, 1139536, 1148040, 1156544, 1157760, 1210757, 1224576, 1230120, 1281978, 1301112, 1312128, 1424420, 1445680, 1530720, 1626390, 1640160, 1709304, 1734816, 1836864, 1922967, 1951668, 1968192, 2040960, 2136630, 2168520, 2186880, 2279072, 2296080, 2313088, 2421514, 2439585, 2460240, 2563956, 2602224, 2848840, 2891360, 3061440, 3204945, 3252780, 3280320, 3418608, 3469632, 3632271, 3673728, 3845934, 3903336, 3936384, 4273260, 4337040, 4558144, 4592160, 4843028, 4879170, 4920480, 5127912, 5204448, 5697680, 5782720, 6053785, 6122880, 6409890, 6505560, 6560640, 6837216, 6939264, 7264542, 7691868, 7806672, 8546520, 8674080, 9116288, 9184320, 9614835, 9686056, 9758340, 9840960, 10255824, 10408896, 10896813, 11395360, 11565440, 12107570, 12819780, 13011120, 13674432, 14529084, 15383736, 15613344, 17093040, 17348160, 18161355, 18368640, 19229670, 19372112, 19516680, 19681920, 20511648, 20817792, 21793626, 22790720, 24215140, 25639560, 26022240, 27348864, 29058168, 30767472, 31226688, 32690439, 34186080, 34696320, 36322710, 38459340, 38744224, 39033360, 41023296, 43587252, 45581440, 48430280, 51279120, 52044480, 54484065, 58116336, 61534944, 62453376, 65380878, 68372160, 72645420, 76918680, 77488448, 78066720, 82046592, 87174504, 96860560, 102558240, 104088960, 108968130, 116232672, 123069888, 130761756, 136744320, 145290840, 153837360, 154976896, 156133440, 163452195, 174349008, 193721120, 205116480, 217936260, 232465344, 246139776, 261523512, 290581680, 307674720, 312266880, 326904390, 348698016, 387442240, 410232960, 435872520, 464930688, 523047024, 581163360, 615349440, 653808780, 697396032, 774884480, 871745040, 1046094048, 1162326720, 1230698880, 1307617560, 1394792064, 1743490080, 2092188096, 2324653440, 2615235120, 3486980160, 4184376192, 5230470240, 6973960320, 10460940480, 20921880960]

約数ペア:

[(1, 20921880960), (2, 10460940480), (3, 6973960320), (4, 5230470240), (5, 4184376192), (6, 3486980160), (8, 2615235120), (9, 2324653440), (10, 2092188096), (12, 1743490080), (15, 1394792064), (16, 1307617560), (17, 1230698880), (18, 1162326720), (20, 1046094048), (24, 871745040), (27, 774884480), (30, 697396032), (32, 653808780), (34, 615349440), (36, 581163360), (40, 523047024), (45, 464930688), (48, 435872520), (51, 410232960), (54, 387442240), (60, 348698016), (64, 326904390), (67, 312266880), (68, 307674720), (72, 290581680), (80, 261523512), (85, 246139776), (90, 232465344), (96, 217936260), (102, 205116480), (108, 193721120), (120, 174349008), (128, 163452195), (134, 156133440), (135, 154976896), (136, 153837360), (144, 145290840), (153, 136744320), (160, 130761756), (170, 123069888), (180, 116232672), (192, 108968130), (201, 104088960), (204, 102558240), (216, 96860560), (240, 87174504), (255, 82046592), (268, 78066720), (270, 77488448), (272, 76918680), (288, 72645420), (306, 68372160), (320, 65380878), (335, 62453376), (340, 61534944), (360, 58116336), (384, 54484065), (402, 52044480), (408, 51279120), (432, 48430280), (459, 45581440), (480, 43587252), (510, 41023296), (536, 39033360), (540, 38744224), (544, 38459340), (576, 36322710), (603, 34696320), (612, 34186080), (640, 32690439), (670, 31226688), (680, 30767472), (720, 29058168), (765, 27348864), (804, 26022240), (816, 25639560), (864, 24215140), (918, 22790720), (960, 21793626), (1005, 20817792), (1020, 20511648), (1063, 19681920), (1072, 19516680), (1080, 19372112), (1088, 19229670), (1139, 18368640), (1152, 18161355), (1206, 17348160), (1224, 17093040), (1340, 15613344), (1360, 15383736), (1440, 14529084), (1530, 13674432), (1608, 13011120), (1632, 12819780), (1728, 12107570), (1809, 11565440), (1836, 11395360), (1920, 10896813), (2010, 10408896), (2040, 10255824), (2126, 9840960), (2144, 9758340), (2160, 9686056), (2176, 9614835), (2278, 9184320), (2295, 9116288), (2412, 8674080), (2448, 8546520), (2680, 7806672), (2720, 7691868), (2880, 7264542), (3015, 6939264), (3060, 6837216), (3189, 6560640), (3216, 6505560), (3264, 6409890), (3417, 6122880), (3456, 6053785), (3618, 5782720), (3672, 5697680), (4020, 5204448), (4080, 5127912), (4252, 4920480), (4288, 4879170), (4320, 4843028), (4556, 4592160), (4590, 4558144), (4824, 4337040), (4896, 4273260), (5315, 3936384), (5360, 3903336), (5440, 3845934), (5695, 3673728), (5760, 3632271), (6030, 3469632), (6120, 3418608), (6378, 3280320), (6432, 3252780), (6528, 3204945), (6834, 3061440), (7236, 2891360), (7344, 2848840), (8040, 2602224), (8160, 2563956), (8504, 2460240), (8576, 2439585), (8640, 2421514), (9045, 2313088), (9112, 2296080), (9180, 2279072), (9567, 2186880), (9648, 2168520), (9792, 2136630), (10251, 2040960), (10630, 1968192), (10720, 1951668), (10880, 1922967), (11390, 1836864), (12060, 1734816), (12240, 1709304), (12756, 1640160), (12864, 1626390), (13668, 1530720), (14472, 1445680), (14688, 1424420), (15945, 1312128), (16080, 1301112), (16320, 1281978), (17008, 1230120), (17085, 1224576), (17280, 1210757), (18071, 1157760), (18090, 1156544), (18224, 1148040), (18360, 1139536), (19134, 1093440), (19296, 1084260), (19584, 1068315), (20502, 1020480), (21260, 984096), (21440, 975834), (22780, 918432), (24120, 867408), (24480, 854652), (25512, 820080), (25728, 813195), (27336, 765360), (28701, 728960), (28944, 722840), (29376, 712210), (30753, 680320), (31890, 656064), (32160, 650556), (32640, 640989), (34016, 615060), (34170, 612288), (36142, 578880), (36180, 578272), (36448, 574020), (36720, 569768), (38268, 546720), (38592, 542130), (41004, 510240), (42520, 492048), (42880, 487917), (45560, 459216), (47835, 437376), (48240, 433704), (48960, 427326), (51024, 410040), (51255, 408192), (54213, 385920), (54672, 382680), (57402, 364480), (57888, 361420), (58752, 356105), (61506, 340160), (63780, 328032), (64320, 325278), (68032, 307530), (68340, 306144), (71221, 293760), (72284, 289440), (72360, 289136), (72896, 287010), (73440, 284884), (76536, 273360), (77184, 271065), (82008, 255120), (85040, 246024), (90355, 231552), (91120, 229608), (95670, 218688), (96480, 216852), (97920, 213663), (102048, 205020), (102510, 204096), (108426, 192960), (109344, 191340), (114804, 182240), (115776, 180710), (123012, 170080), (127560, 164016), (128640, 162639), (136064, 153765), (136680, 153072), (142442, 146880), (143505, 145792), (144568, 144720)]