821012640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 288

約数和(自身を含む): 3059187264

約数和(自身を除く): 2238174624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 67, 70, 80, 84, 96, 98, 105, 112, 120, 134, 140, 147, 160, 168, 196, 201, 210, 224, 240, 245, 268, 280, 294, 335, 336, 392, 402, 420, 469, 480, 490, 521, 536, 560, 588, 670, 672, 735, 784, 804, 840, 938, 980, 1005, 1042, 1072, 1120, 1176, 1340, 1407, 1470, 1563, 1568, 1608, 1680, 1876, 1960, 2010, 2084, 2144, 2345, 2352, 2605, 2680, 2814, 2940, 3126, 3216, 3283, 3360, 3647, 3752, 3920, 4020, 4168, 4690, 4704, 5210, 5360, 5628, 5880, 6252, 6432, 6566, 7035, 7294, 7504, 7815, 7840, 8040, 8336, 9380, 9849, 10420, 10720, 10941, 11256, 11760, 12504, 13132, 14070, 14588, 15008, 15630, 16080, 16415, 16672, 18235, 18760, 19698, 20840, 21882, 22512, 23520, 25008, 25529, 26264, 28140, 29176, 31260, 32160, 32830, 34907, 36470, 37520, 39396, 41680, 43764, 45024, 49245, 50016, 51058, 52528, 54705, 56280, 58352, 62520, 65660, 69814, 72940, 75040, 76587, 78792, 83360, 87528, 98490, 102116, 104721, 105056, 109410, 112560, 116704, 125040, 127645, 131320, 139628, 145880, 153174, 157584, 174535, 175056, 196980, 204232, 209442, 218820, 225120, 244349, 250080, 255290, 262640, 279256, 291760, 306348, 315168, 349070, 350112, 382935, 393960, 408464, 418884, 437640, 488698, 510580, 523605, 525280, 558512, 583520, 612696, 698140, 733047, 765870, 787920, 816928, 837768, 875280, 977396, 1021160, 1047210, 1117024, 1221745, 1225392, 1396280, 1466094, 1531740, 1575840, 1675536, 1710443, 1750560, 1954792, 2042320, 2094420, 2443490, 2450784, 2792560, 2932188, 3063480, 3351072, 3420886, 3665235, 3909584, 4084640, 4188840, 4886980, 5131329, 5585120, 5864376, 6126960, 6841772, 7330470, 7819168, 8377680, 8552215, 9773960, 10262658, 11728752, 12253920, 13683544, 14660940, 16755360, 17104430, 19547920, 20525316, 23457504, 25656645, 27367088, 29321880, 34208860, 39095840, 41050632, 51313290, 54734176, 58643760, 68417720, 82101264, 102626580, 117287520, 136835440, 164202528, 205253160, 273670880, 410506320, 821012640]

約数ペア:

[(1, 821012640), (2, 410506320), (3, 273670880), (4, 205253160), (5, 164202528), (6, 136835440), (7, 117287520), (8, 102626580), (10, 82101264), (12, 68417720), (14, 58643760), (15, 54734176), (16, 51313290), (20, 41050632), (21, 39095840), (24, 34208860), (28, 29321880), (30, 27367088), (32, 25656645), (35, 23457504), (40, 20525316), (42, 19547920), (48, 17104430), (49, 16755360), (56, 14660940), (60, 13683544), (67, 12253920), (70, 11728752), (80, 10262658), (84, 9773960), (96, 8552215), (98, 8377680), (105, 7819168), (112, 7330470), (120, 6841772), (134, 6126960), (140, 5864376), (147, 5585120), (160, 5131329), (168, 4886980), (196, 4188840), (201, 4084640), (210, 3909584), (224, 3665235), (240, 3420886), (245, 3351072), (268, 3063480), (280, 2932188), (294, 2792560), (335, 2450784), (336, 2443490), (392, 2094420), (402, 2042320), (420, 1954792), (469, 1750560), (480, 1710443), (490, 1675536), (521, 1575840), (536, 1531740), (560, 1466094), (588, 1396280), (670, 1225392), (672, 1221745), (735, 1117024), (784, 1047210), (804, 1021160), (840, 977396), (938, 875280), (980, 837768), (1005, 816928), (1042, 787920), (1072, 765870), (1120, 733047), (1176, 698140), (1340, 612696), (1407, 583520), (1470, 558512), (1563, 525280), (1568, 523605), (1608, 510580), (1680, 488698), (1876, 437640), (1960, 418884), (2010, 408464), (2084, 393960), (2144, 382935), (2345, 350112), (2352, 349070), (2605, 315168), (2680, 306348), (2814, 291760), (2940, 279256), (3126, 262640), (3216, 255290), (3283, 250080), (3360, 244349), (3647, 225120), (3752, 218820), (3920, 209442), (4020, 204232), (4168, 196980), (4690, 175056), (4704, 174535), (5210, 157584), (5360, 153174), (5628, 145880), (5880, 139628), (6252, 131320), (6432, 127645), (6566, 125040), (7035, 116704), (7294, 112560), (7504, 109410), (7815, 105056), (7840, 104721), (8040, 102116), (8336, 98490), (9380, 87528), (9849, 83360), (10420, 78792), (10720, 76587), (10941, 75040), (11256, 72940), (11760, 69814), (12504, 65660), (13132, 62520), (14070, 58352), (14588, 56280), (15008, 54705), (15630, 52528), (16080, 51058), (16415, 50016), (16672, 49245), (18235, 45024), (18760, 43764), (19698, 41680), (20840, 39396), (21882, 37520), (22512, 36470), (23520, 34907), (25008, 32830), (25529, 32160), (26264, 31260), (28140, 29176)]