2021111680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 256

約数和(自身を含む): 5776790400

約数和(自身を除く): 3755678720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 89, 112, 128, 137, 140, 148, 160, 178, 185, 224, 259, 274, 280, 296, 320, 356, 370, 445, 448, 518, 548, 560, 592, 623, 640, 685, 712, 740, 890, 896, 959, 1036, 1096, 1120, 1184, 1246, 1295, 1370, 1424, 1480, 1780, 1918, 2072, 2192, 2240, 2368, 2492, 2590, 2740, 2848, 2960, 3115, 3293, 3560, 3836, 4144, 4384, 4480, 4736, 4795, 4984, 5069, 5180, 5480, 5696, 5920, 6230, 6586, 7120, 7672, 8288, 8768, 9590, 9968, 10138, 10360, 10960, 11392, 11840, 12193, 12460, 13172, 14240, 15344, 16465, 16576, 17536, 19180, 19936, 20276, 20720, 21920, 23051, 23680, 24386, 24920, 25345, 26344, 28480, 30688, 32930, 33152, 35483, 38360, 39872, 40552, 41440, 43840, 46102, 48772, 49840, 50690, 52688, 56960, 60965, 61376, 65860, 70966, 76720, 79744, 81104, 82880, 85351, 87680, 92204, 97544, 99680, 101380, 105376, 115255, 121930, 122752, 131720, 141932, 153440, 162208, 165760, 170702, 177415, 184408, 195088, 199360, 202760, 210752, 230510, 243860, 263440, 283864, 306880, 324416, 341404, 354830, 368816, 390176, 398720, 405520, 421504, 426755, 451141, 461020, 487720, 526880, 567728, 613760, 648832, 682808, 709660, 737632, 780352, 811040, 853510, 902282, 922040, 975440, 1053760, 1135456, 1365616, 1419320, 1475264, 1560704, 1622080, 1707020, 1804564, 1844080, 1950880, 2107520, 2255705, 2270912, 2731232, 2838640, 2950528, 3157987, 3244160, 3414040, 3609128, 3688160, 3901760, 4511410, 4541824, 5462464, 5677280, 6315974, 6828080, 7218256, 7376320, 7803520, 9022820, 10924928, 11354560, 12631948, 13656160, 14436512, 14752640, 15789935, 18045640, 22709120, 25263896, 27312320, 28873024, 31579870, 36091280, 50527792, 54624640, 57746048, 63159740, 72182560, 101055584, 126319480, 144365120, 202111168, 252638960, 288730240, 404222336, 505277920, 1010555840, 2021111680]

約数ペア:

[(1, 2021111680), (2, 1010555840), (4, 505277920), (5, 404222336), (7, 288730240), (8, 252638960), (10, 202111168), (14, 144365120), (16, 126319480), (20, 101055584), (28, 72182560), (32, 63159740), (35, 57746048), (37, 54624640), (40, 50527792), (56, 36091280), (64, 31579870), (70, 28873024), (74, 27312320), (80, 25263896), (89, 22709120), (112, 18045640), (128, 15789935), (137, 14752640), (140, 14436512), (148, 13656160), (160, 12631948), (178, 11354560), (185, 10924928), (224, 9022820), (259, 7803520), (274, 7376320), (280, 7218256), (296, 6828080), (320, 6315974), (356, 5677280), (370, 5462464), (445, 4541824), (448, 4511410), (518, 3901760), (548, 3688160), (560, 3609128), (592, 3414040), (623, 3244160), (640, 3157987), (685, 2950528), (712, 2838640), (740, 2731232), (890, 2270912), (896, 2255705), (959, 2107520), (1036, 1950880), (1096, 1844080), (1120, 1804564), (1184, 1707020), (1246, 1622080), (1295, 1560704), (1370, 1475264), (1424, 1419320), (1480, 1365616), (1780, 1135456), (1918, 1053760), (2072, 975440), (2192, 922040), (2240, 902282), (2368, 853510), (2492, 811040), (2590, 780352), (2740, 737632), (2848, 709660), (2960, 682808), (3115, 648832), (3293, 613760), (3560, 567728), (3836, 526880), (4144, 487720), (4384, 461020), (4480, 451141), (4736, 426755), (4795, 421504), (4984, 405520), (5069, 398720), (5180, 390176), (5480, 368816), (5696, 354830), (5920, 341404), (6230, 324416), (6586, 306880), (7120, 283864), (7672, 263440), (8288, 243860), (8768, 230510), (9590, 210752), (9968, 202760), (10138, 199360), (10360, 195088), (10960, 184408), (11392, 177415), (11840, 170702), (12193, 165760), (12460, 162208), (13172, 153440), (14240, 141932), (15344, 131720), (16465, 122752), (16576, 121930), (17536, 115255), (19180, 105376), (19936, 101380), (20276, 99680), (20720, 97544), (21920, 92204), (23051, 87680), (23680, 85351), (24386, 82880), (24920, 81104), (25345, 79744), (26344, 76720), (28480, 70966), (30688, 65860), (32930, 61376), (33152, 60965), (35483, 56960), (38360, 52688), (39872, 50690), (40552, 49840), (41440, 48772), (43840, 46102)]