256106928

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:576

約数の個数: 240

約数和(自身を含む): 885479040

約数和(自身を除く): 629372112

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 33, 38, 42, 44, 48, 49, 56, 57, 66, 76, 77, 84, 88, 98, 112, 114, 132, 133, 147, 152, 154, 168, 176, 196, 209, 228, 231, 264, 266, 294, 304, 308, 336, 392, 399, 418, 456, 462, 521, 528, 532, 539, 588, 616, 627, 784, 798, 836, 912, 924, 931, 1042, 1064, 1078, 1176, 1232, 1254, 1463, 1563, 1596, 1617, 1672, 1848, 1862, 2084, 2128, 2156, 2352, 2508, 2793, 2926, 3126, 3192, 3234, 3344, 3647, 3696, 3724, 4168, 4312, 4389, 5016, 5586, 5731, 5852, 6252, 6384, 6468, 7294, 7448, 8336, 8624, 8778, 9899, 10032, 10241, 10941, 11172, 11462, 11704, 12504, 12936, 14588, 14896, 17193, 17556, 19798, 20482, 21882, 22344, 22924, 23408, 25008, 25529, 25872, 29176, 29697, 30723, 34386, 35112, 39596, 40117, 40964, 43764, 44688, 45848, 51058, 58352, 59394, 61446, 68772, 69293, 70224, 76587, 79192, 80234, 81928, 87528, 91696, 102116, 108889, 118788, 120351, 122892, 137544, 138586, 153174, 158384, 160468, 163856, 175056, 204232, 207879, 217778, 237576, 240702, 245784, 275088, 277172, 280819, 306348, 320936, 326667, 408464, 415758, 435556, 475152, 481404, 485051, 491568, 554344, 561638, 612696, 641872, 653334, 762223, 831516, 842457, 871112, 962808, 970102, 1108688, 1123276, 1225392, 1306668, 1455153, 1524446, 1663032, 1684914, 1742224, 1925616, 1940204, 2246552, 2286669, 2613336, 2910306, 3048892, 3326064, 3369828, 3880408, 4493104, 4573338, 5226672, 5335561, 5820612, 6097784, 6739656, 7760816, 9146676, 10671122, 11641224, 12195568, 13479312, 16006683, 18293352, 21342244, 23282448, 32013366, 36586704, 42684488, 64026732, 85368976, 128053464, 256106928]

約数ペア:

[(1, 256106928), (2, 128053464), (3, 85368976), (4, 64026732), (6, 42684488), (7, 36586704), (8, 32013366), (11, 23282448), (12, 21342244), (14, 18293352), (16, 16006683), (19, 13479312), (21, 12195568), (22, 11641224), (24, 10671122), (28, 9146676), (33, 7760816), (38, 6739656), (42, 6097784), (44, 5820612), (48, 5335561), (49, 5226672), (56, 4573338), (57, 4493104), (66, 3880408), (76, 3369828), (77, 3326064), (84, 3048892), (88, 2910306), (98, 2613336), (112, 2286669), (114, 2246552), (132, 1940204), (133, 1925616), (147, 1742224), (152, 1684914), (154, 1663032), (168, 1524446), (176, 1455153), (196, 1306668), (209, 1225392), (228, 1123276), (231, 1108688), (264, 970102), (266, 962808), (294, 871112), (304, 842457), (308, 831516), (336, 762223), (392, 653334), (399, 641872), (418, 612696), (456, 561638), (462, 554344), (521, 491568), (528, 485051), (532, 481404), (539, 475152), (588, 435556), (616, 415758), (627, 408464), (784, 326667), (798, 320936), (836, 306348), (912, 280819), (924, 277172), (931, 275088), (1042, 245784), (1064, 240702), (1078, 237576), (1176, 217778), (1232, 207879), (1254, 204232), (1463, 175056), (1563, 163856), (1596, 160468), (1617, 158384), (1672, 153174), (1848, 138586), (1862, 137544), (2084, 122892), (2128, 120351), (2156, 118788), (2352, 108889), (2508, 102116), (2793, 91696), (2926, 87528), (3126, 81928), (3192, 80234), (3234, 79192), (3344, 76587), (3647, 70224), (3696, 69293), (3724, 68772), (4168, 61446), (4312, 59394), (4389, 58352), (5016, 51058), (5586, 45848), (5731, 44688), (5852, 43764), (6252, 40964), (6384, 40117), (6468, 39596), (7294, 35112), (7448, 34386), (8336, 30723), (8624, 29697), (8778, 29176), (9899, 25872), (10032, 25529), (10241, 25008), (10941, 23408), (11172, 22924), (11462, 22344), (11704, 21882), (12504, 20482), (12936, 19798), (14588, 17556), (14896, 17193)]