81007540880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 480

約数和(自身を含む): 235964897280

約数和(自身を除く): 154957356400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 41, 49, 56, 62, 70, 71, 80, 82, 98, 112, 124, 140, 142, 155, 164, 196, 205, 217, 229, 245, 248, 280, 284, 287, 310, 328, 355, 392, 410, 434, 458, 490, 496, 497, 560, 568, 574, 620, 656, 710, 784, 820, 868, 916, 980, 994, 1085, 1136, 1145, 1148, 1240, 1271, 1420, 1435, 1519, 1603, 1640, 1736, 1832, 1960, 1988, 2009, 2170, 2201, 2290, 2296, 2480, 2485, 2542, 2840, 2870, 2911, 3038, 3206, 3280, 3472, 3479, 3664, 3920, 3976, 4018, 4340, 4402, 4580, 4592, 4970, 5084, 5680, 5740, 5822, 6076, 6355, 6412, 6958, 7099, 7595, 7952, 8015, 8036, 8680, 8804, 8897, 9160, 9389, 9940, 10045, 10168, 11005, 11221, 11480, 11644, 12152, 12710, 12824, 13916, 14198, 14555, 15190, 15407, 16030, 16072, 16259, 17360, 17395, 17608, 17794, 18320, 18778, 19880, 20090, 20336, 20377, 22010, 22442, 22960, 23288, 24304, 25420, 25648, 27832, 28396, 29110, 30380, 30814, 32060, 32144, 32518, 34790, 35216, 35495, 35588, 37556, 39760, 40180, 40754, 44020, 44485, 44884, 46576, 46945, 49693, 50840, 55664, 56105, 56792, 58220, 60760, 61628, 62279, 64120, 65036, 65723, 69580, 70990, 71176, 75112, 77035, 80360, 81295, 81508, 88040, 88970, 89768, 90241, 93890, 99386, 101680, 101885, 107849, 112210, 113584, 113813, 116440, 121520, 123256, 124558, 128240, 130072, 131446, 139160, 141980, 142352, 142639, 150224, 154070, 160720, 162590, 163016, 176080, 177940, 179536, 180482, 187780, 198772, 203770, 215698, 224420, 227626, 232880, 246512, 248465, 249116, 260144, 262892, 278320, 283960, 285278, 291059, 308140, 311395, 325180, 326032, 328615, 347851, 355880, 360964, 375560, 397544, 407540, 431396, 448840, 451205, 455252, 460061, 496930, 498232, 504029, 525784, 539245, 567920, 569065, 570556, 582118, 616280, 622790, 631687, 650360, 657230, 666619, 695702, 711760, 713195, 721928, 751120, 795088, 796691, 815080, 862792, 897680, 902410, 910504, 920122, 993860, 996464, 1008058, 1051568, 1078490, 1138130, 1141112, 1164236, 1232560, 1245580, 1263374, 1300720, 1314460, 1333238, 1391404, 1426390, 1443856, 1455295, 1593382, 1630160, 1725584, 1739255, 1804820, 1821008, 1840244, 1987720, 2016116, 2037413, 2156980, 2276260, 2282224, 2300305, 2328472, 2491160, 2520145, 2526748, 2628920, 2666476, 2782808, 2852780, 2910590, 3158435, 3186764, 3333095, 3478510, 3528203, 3609640, 3680488, 3975440, 3983455, 4032232, 4074826, 4313960, 4421809, 4552520, 4600610, 4656944, 4666333, 4982320, 5040290, 5053496, 5257840, 5332952, 5565616, 5705560, 5821180, 6316870, 6373528, 6666190, 6957020, 7056406, 7219280, 7360976, 7966910, 8064464, 8149652, 8627920, 8843618, 9105040, 9201220, 9332666, 10080580, 10106992, 10187065, 10665904, 11411120, 11642360, 12633740, 12747056, 13332380, 13914040, 14112812, 14261891, 15933820, 16299304, 17641015, 17687236, 18402440, 18665332, 20161160, 20374130, 20665189, 22109045, 23284720, 23331665, 24697421, 25267480, 26664760, 27828080, 28225624, 28523782, 31867640, 32598608, 32664331, 35282030, 35374472, 36804880, 37330664, 40322320, 40748260, 41330378, 44218090, 46663330, 49394842, 50534960, 53329520, 56451248, 57047564, 63735280, 65328662, 70564060, 70748944, 71309455, 74661328, 81496520, 82660756, 88436180, 93326660, 98789684, 103325945, 114095128, 123487105, 130657324, 141128120, 142618910, 144656323, 162993040, 163321655, 165321512, 176872360, 186653320, 197579368, 206651890, 228190256, 246974210, 261314648, 282256240, 285237820, 289312646, 326643310, 330643024, 353744720, 373306640, 395158736, 413303780, 493948420, 522629296, 570475640, 578625292, 653286620, 723281615, 826607560, 987896840, 1012594261, 1140951280, 1157250584, 1306573240, 1446563230, 1653215120, 1975793680, 2025188522, 2314501168, 2613146480, 2893126460, 4050377044, 5062971305, 5786252920, 8100754088, 10125942610, 11572505840, 16201508176, 20251885220, 40503770440, 81007540880]

約数ペア:

[(1, 81007540880), (2, 40503770440), (4, 20251885220), (5, 16201508176), (7, 11572505840), (8, 10125942610), (10, 8100754088), (14, 5786252920), (16, 5062971305), (20, 4050377044), (28, 2893126460), (31, 2613146480), (35, 2314501168), (40, 2025188522), (41, 1975793680), (49, 1653215120), (56, 1446563230), (62, 1306573240), (70, 1157250584), (71, 1140951280), (80, 1012594261), (82, 987896840), (98, 826607560), (112, 723281615), (124, 653286620), (140, 578625292), (142, 570475640), (155, 522629296), (164, 493948420), (196, 413303780), (205, 395158736), (217, 373306640), (229, 353744720), (245, 330643024), (248, 326643310), (280, 289312646), (284, 285237820), (287, 282256240), (310, 261314648), (328, 246974210), (355, 228190256), (392, 206651890), (410, 197579368), (434, 186653320), (458, 176872360), (490, 165321512), (496, 163321655), (497, 162993040), (560, 144656323), (568, 142618910), (574, 141128120), (620, 130657324), (656, 123487105), (710, 114095128), (784, 103325945), (820, 98789684), (868, 93326660), (916, 88436180), (980, 82660756), (994, 81496520), (1085, 74661328), (1136, 71309455), (1145, 70748944), (1148, 70564060), (1240, 65328662), (1271, 63735280), (1420, 57047564), (1435, 56451248), (1519, 53329520), (1603, 50534960), (1640, 49394842), (1736, 46663330), (1832, 44218090), (1960, 41330378), (1988, 40748260), (2009, 40322320), (2170, 37330664), (2201, 36804880), (2290, 35374472), (2296, 35282030), (2480, 32664331), (2485, 32598608), (2542, 31867640), (2840, 28523782), (2870, 28225624), (2911, 27828080), (3038, 26664760), (3206, 25267480), (3280, 24697421), (3472, 23331665), (3479, 23284720), (3664, 22109045), (3920, 20665189), (3976, 20374130), (4018, 20161160), (4340, 18665332), (4402, 18402440), (4580, 17687236), (4592, 17641015), (4970, 16299304), (5084, 15933820), (5680, 14261891), (5740, 14112812), (5822, 13914040), (6076, 13332380), (6355, 12747056), (6412, 12633740), (6958, 11642360), (7099, 11411120), (7595, 10665904), (7952, 10187065), (8015, 10106992), (8036, 10080580), (8680, 9332666), (8804, 9201220), (8897, 9105040), (9160, 8843618), (9389, 8627920), (9940, 8149652), (10045, 8064464), (10168, 7966910), (11005, 7360976), (11221, 7219280), (11480, 7056406), (11644, 6957020), (12152, 6666190), (12710, 6373528), (12824, 6316870), (13916, 5821180), (14198, 5705560), (14555, 5565616), (15190, 5332952), (15407, 5257840), (16030, 5053496), (16072, 5040290), (16259, 4982320), (17360, 4666333), (17395, 4656944), (17608, 4600610), (17794, 4552520), (18320, 4421809), (18778, 4313960), (19880, 4074826), (20090, 4032232), (20336, 3983455), (20377, 3975440), (22010, 3680488), (22442, 3609640), (22960, 3528203), (23288, 3478510), (24304, 3333095), (25420, 3186764), (25648, 3158435), (27832, 2910590), (28396, 2852780), (29110, 2782808), (30380, 2666476), (30814, 2628920), (32060, 2526748), (32144, 2520145), (32518, 2491160), (34790, 2328472), (35216, 2300305), (35495, 2282224), (35588, 2276260), (37556, 2156980), (39760, 2037413), (40180, 2016116), (40754, 1987720), (44020, 1840244), (44485, 1821008), (44884, 1804820), (46576, 1739255), (46945, 1725584), (49693, 1630160), (50840, 1593382), (55664, 1455295), (56105, 1443856), (56792, 1426390), (58220, 1391404), (60760, 1333238), (61628, 1314460), (62279, 1300720), (64120, 1263374), (65036, 1245580), (65723, 1232560), (69580, 1164236), (70990, 1141112), (71176, 1138130), (75112, 1078490), (77035, 1051568), (80360, 1008058), (81295, 996464), (81508, 993860), (88040, 920122), (88970, 910504), (89768, 902410), (90241, 897680), (93890, 862792), (99386, 815080), (101680, 796691), (101885, 795088), (107849, 751120), (112210, 721928), (113584, 713195), (113813, 711760), (116440, 695702), (121520, 666619), (123256, 657230), (124558, 650360), (128240, 631687), (130072, 622790), (131446, 616280), (139160, 582118), (141980, 570556), (142352, 569065), (142639, 567920), (150224, 539245), (154070, 525784), (160720, 504029), (162590, 498232), (163016, 496930), (176080, 460061), (177940, 455252), (179536, 451205), (180482, 448840), (187780, 431396), (198772, 407540), (203770, 397544), (215698, 375560), (224420, 360964), (227626, 355880), (232880, 347851), (246512, 328615), (248465, 326032), (249116, 325180), (260144, 311395), (262892, 308140), (278320, 291059), (283960, 285278)]