20489787360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{88379}}^1$

素因数の和:88430

約数の個数: 288

約数和(自身を含む): 83385469440

約数和(自身を除く): 62895682080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 96, 105, 112, 115, 120, 126, 138, 140, 144, 160, 161, 168, 180, 184, 207, 210, 224, 230, 240, 252, 276, 280, 288, 315, 322, 336, 345, 360, 368, 414, 420, 460, 480, 483, 504, 552, 560, 630, 644, 672, 690, 720, 736, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1120, 1260, 1288, 1380, 1440, 1449, 1610, 1656, 1680, 1840, 1932, 2016, 2070, 2208, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3360, 3680, 3864, 4140, 4830, 5040, 5152, 5520, 5796, 6440, 6624, 7245, 7728, 8280, 9660, 10080, 11040, 11592, 12880, 14490, 15456, 16560, 19320, 23184, 25760, 28980, 33120, 38640, 46368, 57960, 77280, 88379, 115920, 176758, 231840, 265137, 353516, 441895, 530274, 618653, 707032, 795411, 883790, 1060548, 1237306, 1325685, 1414064, 1590822, 1767580, 1855959, 2032717, 2121096, 2474612, 2651370, 2828128, 3093265, 3181644, 3535160, 3711918, 3977055, 4065434, 4242192, 4949224, 5302740, 5567877, 6098151, 6186530, 6363288, 7070320, 7423836, 7954110, 8130868, 8484384, 9279795, 9898448, 10163585, 10605480, 11135754, 12196302, 12373060, 12726576, 14140640, 14229019, 14847672, 15908220, 16261736, 18294453, 18559590, 19796896, 20327170, 21210960, 22271508, 24392604, 24746120, 25453152, 27839385, 28458038, 29695344, 30490755, 31816440, 32523472, 36588906, 37119180, 40654340, 42421920, 42687057, 44543016, 48785208, 49492240, 55678770, 56916076, 59390688, 60981510, 63632880, 65046944, 71145095, 73177812, 74238360, 81308680, 85374114, 89086032, 91472265, 97570416, 98984480, 111357540, 113832152, 121963020, 127265760, 128061171, 142290190, 146355624, 148476720, 162617360, 170748228, 178172064, 182944530, 195140832, 213435285, 222715080, 227664304, 243926040, 256122342, 284580380, 292711248, 296953440, 325234720, 341496456, 365889060, 426870570, 445430160, 455328608, 487852080, 512244684, 569160760, 585422496, 640305855, 682992912, 731778120, 853741140, 890860320, 975704160, 1024489368, 1138321520, 1280611710, 1365985824, 1463556240, 1707482280, 2048978736, 2276643040, 2561223420, 2927112480, 3414964560, 4097957472, 5122446840, 6829929120, 10244893680, 20489787360]

約数ペア:

[(1, 20489787360), (2, 10244893680), (3, 6829929120), (4, 5122446840), (5, 4097957472), (6, 3414964560), (7, 2927112480), (8, 2561223420), (9, 2276643040), (10, 2048978736), (12, 1707482280), (14, 1463556240), (15, 1365985824), (16, 1280611710), (18, 1138321520), (20, 1024489368), (21, 975704160), (23, 890860320), (24, 853741140), (28, 731778120), (30, 682992912), (32, 640305855), (35, 585422496), (36, 569160760), (40, 512244684), (42, 487852080), (45, 455328608), (46, 445430160), (48, 426870570), (56, 365889060), (60, 341496456), (63, 325234720), (69, 296953440), (70, 292711248), (72, 284580380), (80, 256122342), (84, 243926040), (90, 227664304), (92, 222715080), (96, 213435285), (105, 195140832), (112, 182944530), (115, 178172064), (120, 170748228), (126, 162617360), (138, 148476720), (140, 146355624), (144, 142290190), (160, 128061171), (161, 127265760), (168, 121963020), (180, 113832152), (184, 111357540), (207, 98984480), (210, 97570416), (224, 91472265), (230, 89086032), (240, 85374114), (252, 81308680), (276, 74238360), (280, 73177812), (288, 71145095), (315, 65046944), (322, 63632880), (336, 60981510), (345, 59390688), (360, 56916076), (368, 55678770), (414, 49492240), (420, 48785208), (460, 44543016), (480, 42687057), (483, 42421920), (504, 40654340), (552, 37119180), (560, 36588906), (630, 32523472), (644, 31816440), (672, 30490755), (690, 29695344), (720, 28458038), (736, 27839385), (805, 25453152), (828, 24746120), (840, 24392604), (920, 22271508), (966, 21210960), (1008, 20327170), (1035, 19796896), (1104, 18559590), (1120, 18294453), (1260, 16261736), (1288, 15908220), (1380, 14847672), (1440, 14229019), (1449, 14140640), (1610, 12726576), (1656, 12373060), (1680, 12196302), (1840, 11135754), (1932, 10605480), (2016, 10163585), (2070, 9898448), (2208, 9279795), (2415, 8484384), (2520, 8130868), (2576, 7954110), (2760, 7423836), (2898, 7070320), (3220, 6363288), (3312, 6186530), (3360, 6098151), (3680, 5567877), (3864, 5302740), (4140, 4949224), (4830, 4242192), (5040, 4065434), (5152, 3977055), (5520, 3711918), (5796, 3535160), (6440, 3181644), (6624, 3093265), (7245, 2828128), (7728, 2651370), (8280, 2474612), (9660, 2121096), (10080, 2032717), (11040, 1855959), (11592, 1767580), (12880, 1590822), (14490, 1414064), (15456, 1325685), (16560, 1237306), (19320, 1060548), (23184, 883790), (25760, 795411), (28980, 707032), (33120, 618653), (38640, 530274), (46368, 441895), (57960, 353516), (77280, 265137), (88379, 231840), (115920, 176758)]