81581472

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 289578240

約数和(自身を除く): 207996768

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 41, 42, 47, 48, 49, 54, 56, 63, 72, 82, 84, 94, 96, 98, 108, 112, 123, 126, 141, 144, 147, 164, 168, 188, 189, 196, 216, 224, 246, 252, 282, 287, 288, 294, 328, 329, 336, 369, 376, 378, 392, 423, 432, 441, 492, 504, 564, 574, 588, 656, 658, 672, 738, 752, 756, 784, 846, 861, 864, 882, 984, 987, 1008, 1107, 1128, 1148, 1176, 1269, 1312, 1316, 1323, 1476, 1504, 1512, 1568, 1692, 1722, 1764, 1927, 1968, 1974, 2009, 2016, 2214, 2256, 2296, 2303, 2352, 2538, 2583, 2632, 2646, 2952, 2961, 3024, 3384, 3444, 3528, 3854, 3936, 3948, 4018, 4428, 4512, 4592, 4606, 4704, 5076, 5166, 5264, 5292, 5781, 5904, 5922, 6027, 6048, 6768, 6888, 6909, 7056, 7708, 7749, 7896, 8036, 8856, 8883, 9184, 9212, 10152, 10332, 10528, 10584, 11562, 11808, 11844, 12054, 13489, 13536, 13776, 13818, 14112, 15416, 15498, 15792, 16072, 17343, 17712, 17766, 18081, 18424, 20304, 20664, 20727, 21168, 23124, 23688, 24108, 26978, 27552, 27636, 30832, 30996, 31584, 32144, 34686, 35424, 35532, 36162, 36848, 40467, 40608, 41328, 41454, 42336, 46248, 47376, 48216, 52029, 53956, 54243, 55272, 61664, 61992, 62181, 64288, 69372, 71064, 72324, 73696, 80934, 82656, 82908, 92496, 94423, 94752, 96432, 104058, 107912, 108486, 110544, 121401, 123984, 124362, 138744, 142128, 144648, 161868, 165816, 184992, 188846, 192864, 208116, 215824, 216972, 221088, 242802, 247968, 248724, 277488, 283269, 284256, 289296, 323736, 331632, 364203, 377692, 416232, 431648, 433944, 485604, 497448, 554976, 566538, 578592, 647472, 663264, 728406, 755384, 832464, 849807, 867888, 971208, 994896, 1133076, 1294944, 1456812, 1510768, 1664928, 1699614, 1735776, 1942416, 1989792, 2266152, 2549421, 2913624, 3021536, 3399228, 3884832, 4532304, 5098842, 5827248, 6798456, 9064608, 10197684, 11654496, 13596912, 20395368, 27193824, 40790736, 81581472]

約数ペア:

[(1, 81581472), (2, 40790736), (3, 27193824), (4, 20395368), (6, 13596912), (7, 11654496), (8, 10197684), (9, 9064608), (12, 6798456), (14, 5827248), (16, 5098842), (18, 4532304), (21, 3884832), (24, 3399228), (27, 3021536), (28, 2913624), (32, 2549421), (36, 2266152), (41, 1989792), (42, 1942416), (47, 1735776), (48, 1699614), (49, 1664928), (54, 1510768), (56, 1456812), (63, 1294944), (72, 1133076), (82, 994896), (84, 971208), (94, 867888), (96, 849807), (98, 832464), (108, 755384), (112, 728406), (123, 663264), (126, 647472), (141, 578592), (144, 566538), (147, 554976), (164, 497448), (168, 485604), (188, 433944), (189, 431648), (196, 416232), (216, 377692), (224, 364203), (246, 331632), (252, 323736), (282, 289296), (287, 284256), (288, 283269), (294, 277488), (328, 248724), (329, 247968), (336, 242802), (369, 221088), (376, 216972), (378, 215824), (392, 208116), (423, 192864), (432, 188846), (441, 184992), (492, 165816), (504, 161868), (564, 144648), (574, 142128), (588, 138744), (656, 124362), (658, 123984), (672, 121401), (738, 110544), (752, 108486), (756, 107912), (784, 104058), (846, 96432), (861, 94752), (864, 94423), (882, 92496), (984, 82908), (987, 82656), (1008, 80934), (1107, 73696), (1128, 72324), (1148, 71064), (1176, 69372), (1269, 64288), (1312, 62181), (1316, 61992), (1323, 61664), (1476, 55272), (1504, 54243), (1512, 53956), (1568, 52029), (1692, 48216), (1722, 47376), (1764, 46248), (1927, 42336), (1968, 41454), (1974, 41328), (2009, 40608), (2016, 40467), (2214, 36848), (2256, 36162), (2296, 35532), (2303, 35424), (2352, 34686), (2538, 32144), (2583, 31584), (2632, 30996), (2646, 30832), (2952, 27636), (2961, 27552), (3024, 26978), (3384, 24108), (3444, 23688), (3528, 23124), (3854, 21168), (3936, 20727), (3948, 20664), (4018, 20304), (4428, 18424), (4512, 18081), (4592, 17766), (4606, 17712), (4704, 17343), (5076, 16072), (5166, 15792), (5264, 15498), (5292, 15416), (5781, 14112), (5904, 13818), (5922, 13776), (6027, 13536), (6048, 13489), (6768, 12054), (6888, 11844), (6909, 11808), (7056, 11562), (7708, 10584), (7749, 10528), (7896, 10332), (8036, 10152), (8856, 9212), (8883, 9184)]