20761448960

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 480

約数和(自身を含む): 63143815680

約数和(自身を除く): 42382366720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 49, 56, 62, 64, 70, 76, 80, 95, 98, 112, 124, 128, 133, 140, 152, 155, 160, 190, 196, 217, 224, 245, 248, 256, 266, 280, 281, 304, 310, 320, 380, 392, 434, 448, 490, 496, 512, 532, 560, 562, 589, 608, 620, 640, 665, 760, 784, 868, 896, 931, 980, 992, 1064, 1085, 1120, 1124, 1178, 1216, 1240, 1280, 1330, 1405, 1519, 1520, 1568, 1736, 1792, 1862, 1960, 1967, 1984, 2128, 2170, 2240, 2248, 2356, 2432, 2480, 2560, 2660, 2810, 2945, 3038, 3040, 3136, 3472, 3584, 3724, 3920, 3934, 3968, 4123, 4256, 4340, 4480, 4496, 4655, 4712, 4864, 4960, 5320, 5339, 5620, 5890, 6076, 6080, 6272, 6944, 7448, 7595, 7840, 7868, 7936, 8246, 8512, 8680, 8711, 8960, 8992, 9310, 9424, 9728, 9835, 9920, 10640, 10678, 11240, 11780, 12152, 12160, 12544, 13769, 13888, 14896, 15190, 15680, 15736, 15872, 16492, 17024, 17360, 17422, 17920, 17984, 18620, 18848, 19670, 19840, 20615, 21280, 21356, 22480, 23560, 24304, 24320, 25088, 26695, 27538, 27776, 28861, 29792, 30380, 31360, 31472, 32984, 34048, 34720, 34844, 35968, 37240, 37373, 37696, 39340, 39680, 41230, 42560, 42712, 43555, 44960, 47120, 48608, 48640, 53390, 55076, 55552, 57722, 59584, 60760, 60977, 62720, 62944, 65968, 68096, 68845, 69440, 69688, 71936, 74480, 74746, 75392, 78680, 79360, 82460, 85120, 85424, 87110, 89920, 94240, 97216, 106780, 110152, 111104, 115444, 119168, 121520, 121954, 125440, 125888, 131936, 137690, 138880, 139376, 143872, 144305, 148960, 149492, 150784, 157360, 164920, 165509, 170240, 170848, 174220, 179840, 186865, 188480, 194432, 213560, 220304, 230888, 238336, 243040, 243908, 251776, 261611, 263872, 275380, 277760, 278752, 288610, 297920, 298984, 301568, 304885, 314720, 329840, 331018, 340480, 341696, 348440, 359680, 373730, 376960, 388864, 426839, 427120, 440608, 461776, 476672, 486080, 487816, 503552, 523222, 527744, 550760, 555520, 557504, 577220, 595840, 597968, 609770, 629440, 659680, 662036, 683392, 696880, 719360, 747460, 753920, 777728, 827545, 853678, 854240, 881216, 923552, 972160, 975632, 1007104, 1046444, 1055488, 1101520, 1115008, 1154440, 1158563, 1191680, 1195936, 1219540, 1258880, 1308055, 1319360, 1324072, 1366784, 1393760, 1494920, 1507840, 1655090, 1707356, 1708480, 1762432, 1847104, 1944320, 1951264, 2092888, 2110976, 2134195, 2203040, 2230016, 2308880, 2317126, 2383360, 2391872, 2439080, 2517760, 2616110, 2638720, 2648144, 2733568, 2787520, 2989840, 3310180, 3414712, 3416960, 3524864, 3694208, 3888640, 3902528, 4185776, 4268390, 4406080, 4460032, 4617760, 4634252, 4783744, 4878160, 5035520, 5232220, 5277440, 5296288, 5575040, 5792815, 5979680, 6620360, 6829424, 6833920, 7049728, 7388416, 7805056, 8109941, 8371552, 8536780, 8812160, 9235520, 9268504, 9567488, 9756320, 10464440, 10554880, 10592576, 11150080, 11585630, 11959360, 13240720, 13658848, 13667840, 14776832, 15610112, 16219882, 16743104, 17073560, 17624320, 18471040, 18537008, 19134976, 19512640, 20928880, 21185152, 22300160, 23171260, 23918720, 26481440, 27317696, 31220224, 32439764, 33486208, 34147120, 35248640, 36942080, 37074016, 39025280, 40549705, 41857760, 42370304, 46342520, 47837440, 52962880, 54635392, 64879528, 66972416, 68294240, 73884160, 74148032, 78050560, 81099410, 83715520, 84740608, 92685040, 95674880, 105925760, 109270784, 129759056, 133944832, 136588480, 148296064, 156101120, 162198820, 167431040, 185370080, 211851520, 218541568, 259518112, 273176960, 296592128, 324397640, 334862080, 370740160, 423703040, 519036224, 546353920, 593184256, 648795280, 669724160, 741480320, 1038072448, 1092707840, 1297590560, 1482960640, 2076144896, 2595181120, 2965921280, 4152289792, 5190362240, 10380724480, 20761448960]

約数ペア:

[(1, 20761448960), (2, 10380724480), (4, 5190362240), (5, 4152289792), (7, 2965921280), (8, 2595181120), (10, 2076144896), (14, 1482960640), (16, 1297590560), (19, 1092707840), (20, 1038072448), (28, 741480320), (31, 669724160), (32, 648795280), (35, 593184256), (38, 546353920), (40, 519036224), (49, 423703040), (56, 370740160), (62, 334862080), (64, 324397640), (70, 296592128), (76, 273176960), (80, 259518112), (95, 218541568), (98, 211851520), (112, 185370080), (124, 167431040), (128, 162198820), (133, 156101120), (140, 148296064), (152, 136588480), (155, 133944832), (160, 129759056), (190, 109270784), (196, 105925760), (217, 95674880), (224, 92685040), (245, 84740608), (248, 83715520), (256, 81099410), (266, 78050560), (280, 74148032), (281, 73884160), (304, 68294240), (310, 66972416), (320, 64879528), (380, 54635392), (392, 52962880), (434, 47837440), (448, 46342520), (490, 42370304), (496, 41857760), (512, 40549705), (532, 39025280), (560, 37074016), (562, 36942080), (589, 35248640), (608, 34147120), (620, 33486208), (640, 32439764), (665, 31220224), (760, 27317696), (784, 26481440), (868, 23918720), (896, 23171260), (931, 22300160), (980, 21185152), (992, 20928880), (1064, 19512640), (1085, 19134976), (1120, 18537008), (1124, 18471040), (1178, 17624320), (1216, 17073560), (1240, 16743104), (1280, 16219882), (1330, 15610112), (1405, 14776832), (1519, 13667840), (1520, 13658848), (1568, 13240720), (1736, 11959360), (1792, 11585630), (1862, 11150080), (1960, 10592576), (1967, 10554880), (1984, 10464440), (2128, 9756320), (2170, 9567488), (2240, 9268504), (2248, 9235520), (2356, 8812160), (2432, 8536780), (2480, 8371552), (2560, 8109941), (2660, 7805056), (2810, 7388416), (2945, 7049728), (3038, 6833920), (3040, 6829424), (3136, 6620360), (3472, 5979680), (3584, 5792815), (3724, 5575040), (3920, 5296288), (3934, 5277440), (3968, 5232220), (4123, 5035520), (4256, 4878160), (4340, 4783744), (4480, 4634252), (4496, 4617760), (4655, 4460032), (4712, 4406080), (4864, 4268390), (4960, 4185776), (5320, 3902528), (5339, 3888640), (5620, 3694208), (5890, 3524864), (6076, 3416960), (6080, 3414712), (6272, 3310180), (6944, 2989840), (7448, 2787520), (7595, 2733568), (7840, 2648144), (7868, 2638720), (7936, 2616110), (8246, 2517760), (8512, 2439080), (8680, 2391872), (8711, 2383360), (8960, 2317126), (8992, 2308880), (9310, 2230016), (9424, 2203040), (9728, 2134195), (9835, 2110976), (9920, 2092888), (10640, 1951264), (10678, 1944320), (11240, 1847104), (11780, 1762432), (12152, 1708480), (12160, 1707356), (12544, 1655090), (13769, 1507840), (13888, 1494920), (14896, 1393760), (15190, 1366784), (15680, 1324072), (15736, 1319360), (15872, 1308055), (16492, 1258880), (17024, 1219540), (17360, 1195936), (17422, 1191680), (17920, 1158563), (17984, 1154440), (18620, 1115008), (18848, 1101520), (19670, 1055488), (19840, 1046444), (20615, 1007104), (21280, 975632), (21356, 972160), (22480, 923552), (23560, 881216), (24304, 854240), (24320, 853678), (25088, 827545), (26695, 777728), (27538, 753920), (27776, 747460), (28861, 719360), (29792, 696880), (30380, 683392), (31360, 662036), (31472, 659680), (32984, 629440), (34048, 609770), (34720, 597968), (34844, 595840), (35968, 577220), (37240, 557504), (37373, 555520), (37696, 550760), (39340, 527744), (39680, 523222), (41230, 503552), (42560, 487816), (42712, 486080), (43555, 476672), (44960, 461776), (47120, 440608), (48608, 427120), (48640, 426839), (53390, 388864), (55076, 376960), (55552, 373730), (57722, 359680), (59584, 348440), (60760, 341696), (60977, 340480), (62720, 331018), (62944, 329840), (65968, 314720), (68096, 304885), (68845, 301568), (69440, 298984), (69688, 297920), (71936, 288610), (74480, 278752), (74746, 277760), (75392, 275380), (78680, 263872), (79360, 261611), (82460, 251776), (85120, 243908), (85424, 243040), (87110, 238336), (89920, 230888), (94240, 220304), (97216, 213560), (106780, 194432), (110152, 188480), (111104, 186865), (115444, 179840), (119168, 174220), (121520, 170848), (121954, 170240), (125440, 165509), (125888, 164920), (131936, 157360), (137690, 150784), (138880, 149492), (139376, 148960), (143872, 144305)]