261199008

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:336

約数の個数: 216

約数和(自身を含む): 878387328

約数和(自身を除く): 617188320

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 83, 84, 96, 98, 112, 126, 144, 147, 166, 168, 196, 223, 224, 249, 252, 288, 294, 332, 336, 392, 441, 446, 498, 504, 581, 588, 664, 669, 672, 747, 784, 882, 892, 996, 1008, 1162, 1176, 1328, 1338, 1494, 1561, 1568, 1743, 1764, 1784, 1992, 2007, 2016, 2324, 2352, 2656, 2676, 2988, 3122, 3486, 3528, 3568, 3984, 4014, 4067, 4648, 4683, 4704, 5229, 5352, 5976, 6244, 6972, 7056, 7136, 7968, 8028, 8134, 9296, 9366, 10458, 10704, 10927, 11952, 12201, 12488, 13944, 14049, 14112, 16056, 16268, 18509, 18592, 18732, 20916, 21408, 21854, 23904, 24402, 24976, 27888, 28098, 32112, 32536, 32781, 36603, 37018, 37464, 41832, 43708, 48804, 49952, 55527, 55776, 56196, 64224, 65072, 65562, 73206, 74036, 74928, 83664, 87416, 97608, 98343, 111054, 112392, 129563, 130144, 131124, 146412, 148072, 149856, 166581, 167328, 174832, 195216, 196686, 222108, 224784, 259126, 262248, 292824, 296144, 333162, 349664, 388689, 390432, 393372, 444216, 449568, 518252, 524496, 585648, 592288, 666324, 777378, 786744, 888432, 906941, 1036504, 1048992, 1166067, 1171296, 1332648, 1554756, 1573488, 1776864, 1813882, 2073008, 2332134, 2665296, 2720823, 3109512, 3146976, 3627764, 4146016, 4664268, 5330592, 5441646, 6219024, 7255528, 8162469, 9328536, 10883292, 12438048, 14511056, 16324938, 18657072, 21766584, 29022112, 32649876, 37314144, 43533168, 65299752, 87066336, 130599504, 261199008]

約数ペア:

[(1, 261199008), (2, 130599504), (3, 87066336), (4, 65299752), (6, 43533168), (7, 37314144), (8, 32649876), (9, 29022112), (12, 21766584), (14, 18657072), (16, 16324938), (18, 14511056), (21, 12438048), (24, 10883292), (28, 9328536), (32, 8162469), (36, 7255528), (42, 6219024), (48, 5441646), (49, 5330592), (56, 4664268), (63, 4146016), (72, 3627764), (83, 3146976), (84, 3109512), (96, 2720823), (98, 2665296), (112, 2332134), (126, 2073008), (144, 1813882), (147, 1776864), (166, 1573488), (168, 1554756), (196, 1332648), (223, 1171296), (224, 1166067), (249, 1048992), (252, 1036504), (288, 906941), (294, 888432), (332, 786744), (336, 777378), (392, 666324), (441, 592288), (446, 585648), (498, 524496), (504, 518252), (581, 449568), (588, 444216), (664, 393372), (669, 390432), (672, 388689), (747, 349664), (784, 333162), (882, 296144), (892, 292824), (996, 262248), (1008, 259126), (1162, 224784), (1176, 222108), (1328, 196686), (1338, 195216), (1494, 174832), (1561, 167328), (1568, 166581), (1743, 149856), (1764, 148072), (1784, 146412), (1992, 131124), (2007, 130144), (2016, 129563), (2324, 112392), (2352, 111054), (2656, 98343), (2676, 97608), (2988, 87416), (3122, 83664), (3486, 74928), (3528, 74036), (3568, 73206), (3984, 65562), (4014, 65072), (4067, 64224), (4648, 56196), (4683, 55776), (4704, 55527), (5229, 49952), (5352, 48804), (5976, 43708), (6244, 41832), (6972, 37464), (7056, 37018), (7136, 36603), (7968, 32781), (8028, 32536), (8134, 32112), (9296, 28098), (9366, 27888), (10458, 24976), (10704, 24402), (10927, 23904), (11952, 21854), (12201, 21408), (12488, 20916), (13944, 18732), (14049, 18592), (14112, 18509), (16056, 16268)]