20851388320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{3119}}^1$

素因数の和:3315

約数の個数: 192

約数和(自身を含む): 57967902720

約数和(自身を除く): 37116514400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 80, 94, 112, 127, 140, 160, 188, 224, 235, 254, 280, 329, 376, 470, 508, 560, 635, 658, 752, 889, 940, 1016, 1120, 1270, 1316, 1504, 1645, 1778, 1880, 2032, 2540, 2632, 3119, 3290, 3556, 3760, 4064, 4445, 5080, 5264, 5969, 6238, 6580, 7112, 7520, 8890, 10160, 10528, 11938, 12476, 13160, 14224, 15595, 17780, 20320, 21833, 23876, 24952, 26320, 28448, 29845, 31190, 35560, 41783, 43666, 47752, 49904, 52640, 59690, 62380, 71120, 83566, 87332, 95504, 99808, 109165, 119380, 124760, 142240, 146593, 167132, 174664, 191008, 208915, 218330, 238760, 249520, 293186, 334264, 349328, 396113, 417830, 436660, 477520, 499040, 586372, 668528, 698656, 732965, 792226, 835660, 873320, 955040, 1026151, 1172744, 1337056, 1465930, 1584452, 1671320, 1746640, 1980565, 2052302, 2345488, 2772791, 2931860, 3168904, 3342640, 3493280, 3961130, 4104604, 4690976, 5130755, 5545582, 5863720, 6337808, 6685280, 7922260, 8209208, 10261510, 11091164, 11727440, 12675616, 13863955, 15844520, 16418416, 18617311, 20523020, 22182328, 23454880, 27727910, 31689040, 32836832, 37234622, 41046040, 44364656, 55455820, 63378080, 74469244, 82092080, 88729312, 93086555, 110911640, 130321177, 148938488, 164184160, 186173110, 221823280, 260642354, 297876976, 372346220, 443646560, 521284708, 595753952, 651605885, 744692440, 1042569416, 1303211770, 1489384880, 2085138832, 2606423540, 2978769760, 4170277664, 5212847080, 10425694160, 20851388320]

約数ペア:

[(1, 20851388320), (2, 10425694160), (4, 5212847080), (5, 4170277664), (7, 2978769760), (8, 2606423540), (10, 2085138832), (14, 1489384880), (16, 1303211770), (20, 1042569416), (28, 744692440), (32, 651605885), (35, 595753952), (40, 521284708), (47, 443646560), (56, 372346220), (70, 297876976), (80, 260642354), (94, 221823280), (112, 186173110), (127, 164184160), (140, 148938488), (160, 130321177), (188, 110911640), (224, 93086555), (235, 88729312), (254, 82092080), (280, 74469244), (329, 63378080), (376, 55455820), (470, 44364656), (508, 41046040), (560, 37234622), (635, 32836832), (658, 31689040), (752, 27727910), (889, 23454880), (940, 22182328), (1016, 20523020), (1120, 18617311), (1270, 16418416), (1316, 15844520), (1504, 13863955), (1645, 12675616), (1778, 11727440), (1880, 11091164), (2032, 10261510), (2540, 8209208), (2632, 7922260), (3119, 6685280), (3290, 6337808), (3556, 5863720), (3760, 5545582), (4064, 5130755), (4445, 4690976), (5080, 4104604), (5264, 3961130), (5969, 3493280), (6238, 3342640), (6580, 3168904), (7112, 2931860), (7520, 2772791), (8890, 2345488), (10160, 2052302), (10528, 1980565), (11938, 1746640), (12476, 1671320), (13160, 1584452), (14224, 1465930), (15595, 1337056), (17780, 1172744), (20320, 1026151), (21833, 955040), (23876, 873320), (24952, 835660), (26320, 792226), (28448, 732965), (29845, 698656), (31190, 668528), (35560, 586372), (41783, 499040), (43666, 477520), (47752, 436660), (49904, 417830), (52640, 396113), (59690, 349328), (62380, 334264), (71120, 293186), (83566, 249520), (87332, 238760), (95504, 218330), (99808, 208915), (109165, 191008), (119380, 174664), (124760, 167132), (142240, 146593)]