261227232

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 216

約数和(自身を含む): 877266936

約数和(自身を除く): 616039704

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, 84, 96, 98, 107, 112, 126, 144, 147, 168, 173, 196, 214, 224, 252, 288, 294, 321, 336, 346, 392, 428, 441, 504, 519, 588, 642, 672, 692, 749, 784, 856, 882, 963, 1008, 1038, 1176, 1211, 1284, 1384, 1498, 1557, 1568, 1712, 1764, 1926, 2016, 2076, 2247, 2352, 2422, 2568, 2768, 2996, 3114, 3424, 3528, 3633, 3852, 4152, 4494, 4704, 4844, 5136, 5243, 5536, 5992, 6228, 6741, 7056, 7266, 7704, 8304, 8477, 8988, 9688, 10272, 10486, 10899, 11984, 12456, 13482, 14112, 14532, 15408, 15729, 16608, 16954, 17976, 18511, 19376, 20972, 21798, 23968, 24912, 25431, 26964, 29064, 30816, 31458, 33908, 35952, 37022, 38752, 41944, 43596, 47187, 49824, 50862, 53928, 55533, 58128, 62916, 67816, 71904, 74044, 76293, 83888, 87192, 94374, 101724, 107856, 111066, 116256, 125832, 129577, 135632, 148088, 152586, 166599, 167776, 174384, 188748, 203448, 215712, 222132, 251664, 259154, 271264, 296176, 305172, 333198, 348768, 377496, 388731, 406896, 444264, 503328, 518308, 592352, 610344, 666396, 754992, 777462, 813792, 888528, 907039, 1036616, 1166193, 1220688, 1332792, 1509984, 1554924, 1777056, 1814078, 2073232, 2332386, 2441376, 2665584, 2721117, 3109848, 3628156, 4146464, 4664772, 5331168, 5442234, 6219696, 7256312, 8163351, 9329544, 10884468, 12439392, 14512624, 16326702, 18659088, 21768936, 29025248, 32653404, 37318176, 43537872, 65306808, 87075744, 130613616, 261227232]

約数ペア:

[(1, 261227232), (2, 130613616), (3, 87075744), (4, 65306808), (6, 43537872), (7, 37318176), (8, 32653404), (9, 29025248), (12, 21768936), (14, 18659088), (16, 16326702), (18, 14512624), (21, 12439392), (24, 10884468), (28, 9329544), (32, 8163351), (36, 7256312), (42, 6219696), (48, 5442234), (49, 5331168), (56, 4664772), (63, 4146464), (72, 3628156), (84, 3109848), (96, 2721117), (98, 2665584), (107, 2441376), (112, 2332386), (126, 2073232), (144, 1814078), (147, 1777056), (168, 1554924), (173, 1509984), (196, 1332792), (214, 1220688), (224, 1166193), (252, 1036616), (288, 907039), (294, 888528), (321, 813792), (336, 777462), (346, 754992), (392, 666396), (428, 610344), (441, 592352), (504, 518308), (519, 503328), (588, 444264), (642, 406896), (672, 388731), (692, 377496), (749, 348768), (784, 333198), (856, 305172), (882, 296176), (963, 271264), (1008, 259154), (1038, 251664), (1176, 222132), (1211, 215712), (1284, 203448), (1384, 188748), (1498, 174384), (1557, 167776), (1568, 166599), (1712, 152586), (1764, 148088), (1926, 135632), (2016, 129577), (2076, 125832), (2247, 116256), (2352, 111066), (2422, 107856), (2568, 101724), (2768, 94374), (2996, 87192), (3114, 83888), (3424, 76293), (3528, 74044), (3633, 71904), (3852, 67816), (4152, 62916), (4494, 58128), (4704, 55533), (4844, 53928), (5136, 50862), (5243, 49824), (5536, 47187), (5992, 43596), (6228, 41944), (6741, 38752), (7056, 37022), (7266, 35952), (7704, 33908), (8304, 31458), (8477, 30816), (8988, 29064), (9688, 26964), (10272, 25431), (10486, 24912), (10899, 23968), (11984, 21798), (12456, 20972), (13482, 19376), (14112, 18511), (14532, 17976), (15408, 16954), (15729, 16608)]