261728712

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 256

約数和(自身を含む): 884736000

約数和(自身を除く): 623007288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 29, 36, 42, 47, 54, 56, 58, 63, 72, 84, 87, 94, 108, 116, 126, 127, 141, 168, 174, 188, 189, 203, 216, 232, 252, 254, 261, 282, 329, 348, 376, 378, 381, 406, 423, 504, 508, 522, 564, 609, 658, 696, 756, 762, 783, 812, 846, 889, 987, 1016, 1044, 1128, 1143, 1218, 1269, 1316, 1363, 1512, 1524, 1566, 1624, 1692, 1778, 1827, 1974, 2088, 2286, 2436, 2538, 2632, 2667, 2726, 2961, 3048, 3132, 3384, 3429, 3556, 3654, 3683, 3948, 4089, 4572, 4872, 5076, 5334, 5452, 5481, 5922, 5969, 6264, 6858, 7112, 7308, 7366, 7896, 8001, 8178, 8883, 9144, 9541, 10152, 10668, 10904, 10962, 11049, 11844, 11938, 12267, 13716, 14616, 14732, 16002, 16356, 17766, 17907, 19082, 21336, 21924, 22098, 23688, 23876, 24003, 24534, 25781, 27432, 28623, 29464, 32004, 32712, 33147, 35532, 35814, 36801, 38164, 41783, 43848, 44196, 47752, 48006, 49068, 51562, 53721, 57246, 64008, 66294, 71064, 71628, 73602, 76328, 77343, 83566, 85869, 88392, 96012, 98136, 99441, 103124, 107442, 114492, 125349, 132588, 143256, 147204, 154686, 161163, 167132, 171738, 173101, 192024, 198882, 206248, 214884, 228984, 232029, 250698, 257607, 265176, 294408, 309372, 322326, 334264, 343476, 346202, 376047, 397764, 429768, 464058, 501396, 515214, 519303, 618744, 644652, 686952, 692404, 696087, 752094, 795528, 928116, 1002792, 1030428, 1038606, 1128141, 1211707, 1289304, 1384808, 1392174, 1504188, 1557909, 1856232, 2060856, 2077212, 2256282, 2423414, 2784348, 3008376, 3115818, 3635121, 4154424, 4512564, 4673727, 4846828, 5568696, 6231636, 7270242, 9025128, 9347454, 9693656, 10905363, 12463272, 14540484, 18694908, 21810726, 29080968, 32716089, 37389816, 43621452, 65432178, 87242904, 130864356, 261728712]

約数ペア:

[(1, 261728712), (2, 130864356), (3, 87242904), (4, 65432178), (6, 43621452), (7, 37389816), (8, 32716089), (9, 29080968), (12, 21810726), (14, 18694908), (18, 14540484), (21, 12463272), (24, 10905363), (27, 9693656), (28, 9347454), (29, 9025128), (36, 7270242), (42, 6231636), (47, 5568696), (54, 4846828), (56, 4673727), (58, 4512564), (63, 4154424), (72, 3635121), (84, 3115818), (87, 3008376), (94, 2784348), (108, 2423414), (116, 2256282), (126, 2077212), (127, 2060856), (141, 1856232), (168, 1557909), (174, 1504188), (188, 1392174), (189, 1384808), (203, 1289304), (216, 1211707), (232, 1128141), (252, 1038606), (254, 1030428), (261, 1002792), (282, 928116), (329, 795528), (348, 752094), (376, 696087), (378, 692404), (381, 686952), (406, 644652), (423, 618744), (504, 519303), (508, 515214), (522, 501396), (564, 464058), (609, 429768), (658, 397764), (696, 376047), (756, 346202), (762, 343476), (783, 334264), (812, 322326), (846, 309372), (889, 294408), (987, 265176), (1016, 257607), (1044, 250698), (1128, 232029), (1143, 228984), (1218, 214884), (1269, 206248), (1316, 198882), (1363, 192024), (1512, 173101), (1524, 171738), (1566, 167132), (1624, 161163), (1692, 154686), (1778, 147204), (1827, 143256), (1974, 132588), (2088, 125349), (2286, 114492), (2436, 107442), (2538, 103124), (2632, 99441), (2667, 98136), (2726, 96012), (2961, 88392), (3048, 85869), (3132, 83566), (3384, 77343), (3429, 76328), (3556, 73602), (3654, 71628), (3683, 71064), (3948, 66294), (4089, 64008), (4572, 57246), (4872, 53721), (5076, 51562), (5334, 49068), (5452, 48006), (5481, 47752), (5922, 44196), (5969, 43848), (6264, 41783), (6858, 38164), (7112, 36801), (7308, 35814), (7366, 35532), (7896, 33147), (8001, 32712), (8178, 32004), (8883, 29464), (9144, 28623), (9541, 27432), (10152, 25781), (10668, 24534), (10904, 24003), (10962, 23876), (11049, 23688), (11844, 22098), (11938, 21924), (12267, 21336), (13716, 19082), (14616, 17907), (14732, 17766), (16002, 16356)]