1621361280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{997}}^1$

素因数の和:1048

約数の個数: 384

約数和(自身を含む): 6498656640

約数和(自身を除く): 4877295360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 121, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 242, 264, 280, 308, 320, 330, 336, 352, 363, 384, 385, 420, 440, 448, 462, 480, 484, 528, 560, 605, 616, 640, 660, 672, 704, 726, 770, 840, 847, 880, 896, 924, 960, 968, 997, 1056, 1120, 1155, 1210, 1232, 1320, 1344, 1408, 1452, 1540, 1680, 1694, 1760, 1815, 1848, 1920, 1936, 1994, 2112, 2240, 2310, 2420, 2464, 2541, 2640, 2688, 2904, 2991, 3080, 3360, 3388, 3520, 3630, 3696, 3872, 3988, 4224, 4235, 4480, 4620, 4840, 4928, 4985, 5082, 5280, 5808, 5982, 6160, 6720, 6776, 6979, 7040, 7260, 7392, 7744, 7976, 8470, 9240, 9680, 9856, 9970, 10164, 10560, 10967, 11616, 11964, 12320, 12705, 13440, 13552, 13958, 14520, 14784, 14955, 15488, 15952, 16940, 18480, 19360, 19940, 20328, 20937, 21120, 21934, 23232, 23928, 24640, 25410, 27104, 27916, 29040, 29568, 29910, 31904, 32901, 33880, 34895, 36960, 38720, 39880, 40656, 41874, 43868, 46464, 47856, 49280, 50820, 54208, 54835, 55832, 58080, 59820, 63808, 65802, 67760, 69790, 73920, 76769, 77440, 79760, 81312, 83748, 87736, 95712, 101640, 104685, 108416, 109670, 111664, 116160, 119640, 120637, 127616, 131604, 135520, 139580, 147840, 153538, 159520, 162624, 164505, 167496, 175472, 191424, 203280, 209370, 219340, 223328, 230307, 232320, 239280, 241274, 263208, 271040, 279160, 307076, 319040, 325248, 329010, 334992, 350944, 361911, 382848, 383845, 406560, 418740, 438680, 446656, 460614, 478560, 482548, 526416, 542080, 558320, 603185, 614152, 638080, 658020, 669984, 701888, 723822, 767690, 813120, 837480, 844459, 877360, 893312, 921228, 957120, 965096, 1052832, 1116640, 1151535, 1206370, 1228304, 1316040, 1339968, 1403776, 1447644, 1535380, 1626240, 1674960, 1688918, 1754720, 1809555, 1842456, 1914240, 1930192, 2105664, 2233280, 2303070, 2412740, 2456608, 2533377, 2632080, 2679936, 2895288, 3070760, 3349920, 3377836, 3509440, 3619110, 3684912, 3860384, 4211328, 4222295, 4466560, 4606140, 4825480, 4913216, 5066754, 5264160, 5790576, 6141520, 6699840, 6755672, 7018880, 7238220, 7369824, 7720768, 8444590, 9212280, 9650960, 9826432, 10133508, 10528320, 11581152, 12283040, 12666885, 13399680, 13511344, 14476440, 14739648, 15441536, 16889180, 18424560, 19301920, 20267016, 21056640, 23162304, 24566080, 25333770, 27022688, 28952880, 29479296, 33778360, 36849120, 38603840, 40534032, 46324608, 49132160, 50667540, 54045376, 57905760, 67556720, 73698240, 77207680, 81068064, 101335080, 108090752, 115811520, 135113440, 147396480, 162136128, 202670160, 231623040, 270226880, 324272256, 405340320, 540453760, 810680640, 1621361280]

約数ペア:

[(1, 1621361280), (2, 810680640), (3, 540453760), (4, 405340320), (5, 324272256), (6, 270226880), (7, 231623040), (8, 202670160), (10, 162136128), (11, 147396480), (12, 135113440), (14, 115811520), (15, 108090752), (16, 101335080), (20, 81068064), (21, 77207680), (22, 73698240), (24, 67556720), (28, 57905760), (30, 54045376), (32, 50667540), (33, 49132160), (35, 46324608), (40, 40534032), (42, 38603840), (44, 36849120), (48, 33778360), (55, 29479296), (56, 28952880), (60, 27022688), (64, 25333770), (66, 24566080), (70, 23162304), (77, 21056640), (80, 20267016), (84, 19301920), (88, 18424560), (96, 16889180), (105, 15441536), (110, 14739648), (112, 14476440), (120, 13511344), (121, 13399680), (128, 12666885), (132, 12283040), (140, 11581152), (154, 10528320), (160, 10133508), (165, 9826432), (168, 9650960), (176, 9212280), (192, 8444590), (210, 7720768), (220, 7369824), (224, 7238220), (231, 7018880), (240, 6755672), (242, 6699840), (264, 6141520), (280, 5790576), (308, 5264160), (320, 5066754), (330, 4913216), (336, 4825480), (352, 4606140), (363, 4466560), (384, 4222295), (385, 4211328), (420, 3860384), (440, 3684912), (448, 3619110), (462, 3509440), (480, 3377836), (484, 3349920), (528, 3070760), (560, 2895288), (605, 2679936), (616, 2632080), (640, 2533377), (660, 2456608), (672, 2412740), (704, 2303070), (726, 2233280), (770, 2105664), (840, 1930192), (847, 1914240), (880, 1842456), (896, 1809555), (924, 1754720), (960, 1688918), (968, 1674960), (997, 1626240), (1056, 1535380), (1120, 1447644), (1155, 1403776), (1210, 1339968), (1232, 1316040), (1320, 1228304), (1344, 1206370), (1408, 1151535), (1452, 1116640), (1540, 1052832), (1680, 965096), (1694, 957120), (1760, 921228), (1815, 893312), (1848, 877360), (1920, 844459), (1936, 837480), (1994, 813120), (2112, 767690), (2240, 723822), (2310, 701888), (2420, 669984), (2464, 658020), (2541, 638080), (2640, 614152), (2688, 603185), (2904, 558320), (2991, 542080), (3080, 526416), (3360, 482548), (3388, 478560), (3520, 460614), (3630, 446656), (3696, 438680), (3872, 418740), (3988, 406560), (4224, 383845), (4235, 382848), (4480, 361911), (4620, 350944), (4840, 334992), (4928, 329010), (4985, 325248), (5082, 319040), (5280, 307076), (5808, 279160), (5982, 271040), (6160, 263208), (6720, 241274), (6776, 239280), (6979, 232320), (7040, 230307), (7260, 223328), (7392, 219340), (7744, 209370), (7976, 203280), (8470, 191424), (9240, 175472), (9680, 167496), (9856, 164505), (9970, 162624), (10164, 159520), (10560, 153538), (10967, 147840), (11616, 139580), (11964, 135520), (12320, 131604), (12705, 127616), (13440, 120637), (13552, 119640), (13958, 116160), (14520, 111664), (14784, 109670), (14955, 108416), (15488, 104685), (15952, 101640), (16940, 95712), (18480, 87736), (19360, 83748), (19940, 81312), (20328, 79760), (20937, 77440), (21120, 76769), (21934, 73920), (23232, 69790), (23928, 67760), (24640, 65802), (25410, 63808), (27104, 59820), (27916, 58080), (29040, 55832), (29568, 54835), (29910, 54208), (31904, 50820), (32901, 49280), (33880, 47856), (34895, 46464), (36960, 43868), (38720, 41874), (39880, 40656)]