20111880320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1343

約数の個数: 256

約数和(自身を含む): 56821409280

約数和(自身を除く): 36709528960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 71, 80, 106, 112, 128, 140, 142, 160, 212, 224, 265, 280, 284, 320, 355, 371, 424, 448, 497, 530, 560, 568, 640, 710, 742, 848, 896, 994, 1060, 1120, 1136, 1193, 1420, 1484, 1696, 1855, 1988, 2120, 2240, 2272, 2386, 2485, 2840, 2968, 3392, 3710, 3763, 3976, 4240, 4480, 4544, 4772, 4970, 5680, 5936, 5965, 6784, 7420, 7526, 7952, 8351, 8480, 9088, 9544, 9940, 11360, 11872, 11930, 14840, 15052, 15904, 16702, 16960, 18815, 19088, 19880, 22720, 23744, 23860, 26341, 29680, 30104, 31808, 33404, 33920, 37630, 38176, 39760, 41755, 45440, 47488, 47720, 52682, 59360, 60208, 63229, 63616, 66808, 75260, 76352, 79520, 83510, 84703, 95440, 105364, 118720, 120416, 126458, 131705, 133616, 150520, 152704, 159040, 167020, 169406, 190880, 210728, 237440, 240832, 252916, 263410, 267232, 301040, 316145, 318080, 334040, 338812, 381760, 421456, 423515, 442603, 481664, 505832, 526820, 534464, 592921, 602080, 632290, 668080, 677624, 763520, 842912, 847030, 885206, 1011664, 1053640, 1068928, 1185842, 1204160, 1264580, 1336160, 1355248, 1685824, 1694060, 1770412, 2023328, 2107280, 2213015, 2371684, 2408320, 2529160, 2672320, 2710496, 2964605, 3371648, 3388120, 3540824, 4046656, 4214560, 4426030, 4489259, 4743368, 5058320, 5344640, 5420992, 5929210, 6776240, 7081648, 8093312, 8429120, 8852060, 8978518, 9486736, 10116640, 10841984, 11858420, 13552480, 14163296, 16858240, 17704120, 17957036, 18973472, 20233280, 22446295, 23716840, 27104960, 28326592, 31424813, 35408240, 35914072, 37946944, 40466560, 44892590, 47433680, 54209920, 56653184, 62849626, 70816480, 71828144, 75893888, 89785180, 94867360, 125699252, 141632960, 143656288, 157124065, 179570360, 189734720, 251398504, 283265920, 287312576, 314248130, 359140720, 379469440, 502797008, 574625152, 628496260, 718281440, 1005594016, 1256992520, 1436562880, 2011188032, 2513985040, 2873125760, 4022376064, 5027970080, 10055940160, 20111880320]

約数ペア:

[(1, 20111880320), (2, 10055940160), (4, 5027970080), (5, 4022376064), (7, 2873125760), (8, 2513985040), (10, 2011188032), (14, 1436562880), (16, 1256992520), (20, 1005594016), (28, 718281440), (32, 628496260), (35, 574625152), (40, 502797008), (53, 379469440), (56, 359140720), (64, 314248130), (70, 287312576), (71, 283265920), (80, 251398504), (106, 189734720), (112, 179570360), (128, 157124065), (140, 143656288), (142, 141632960), (160, 125699252), (212, 94867360), (224, 89785180), (265, 75893888), (280, 71828144), (284, 70816480), (320, 62849626), (355, 56653184), (371, 54209920), (424, 47433680), (448, 44892590), (497, 40466560), (530, 37946944), (560, 35914072), (568, 35408240), (640, 31424813), (710, 28326592), (742, 27104960), (848, 23716840), (896, 22446295), (994, 20233280), (1060, 18973472), (1120, 17957036), (1136, 17704120), (1193, 16858240), (1420, 14163296), (1484, 13552480), (1696, 11858420), (1855, 10841984), (1988, 10116640), (2120, 9486736), (2240, 8978518), (2272, 8852060), (2386, 8429120), (2485, 8093312), (2840, 7081648), (2968, 6776240), (3392, 5929210), (3710, 5420992), (3763, 5344640), (3976, 5058320), (4240, 4743368), (4480, 4489259), (4544, 4426030), (4772, 4214560), (4970, 4046656), (5680, 3540824), (5936, 3388120), (5965, 3371648), (6784, 2964605), (7420, 2710496), (7526, 2672320), (7952, 2529160), (8351, 2408320), (8480, 2371684), (9088, 2213015), (9544, 2107280), (9940, 2023328), (11360, 1770412), (11872, 1694060), (11930, 1685824), (14840, 1355248), (15052, 1336160), (15904, 1264580), (16702, 1204160), (16960, 1185842), (18815, 1068928), (19088, 1053640), (19880, 1011664), (22720, 885206), (23744, 847030), (23860, 842912), (26341, 763520), (29680, 677624), (30104, 668080), (31808, 632290), (33404, 602080), (33920, 592921), (37630, 534464), (38176, 526820), (39760, 505832), (41755, 481664), (45440, 442603), (47488, 423515), (47720, 421456), (52682, 381760), (59360, 338812), (60208, 334040), (63229, 318080), (63616, 316145), (66808, 301040), (75260, 267232), (76352, 263410), (79520, 252916), (83510, 240832), (84703, 237440), (95440, 210728), (105364, 190880), (118720, 169406), (120416, 167020), (126458, 159040), (131705, 152704), (133616, 150520)]