642668768

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 1625702400

約数和(自身を除く): 983033632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 32, 38, 41, 56, 58, 76, 82, 112, 116, 127, 133, 152, 164, 203, 224, 232, 254, 266, 287, 304, 328, 406, 464, 508, 532, 551, 574, 608, 656, 779, 812, 889, 928, 1016, 1064, 1102, 1148, 1189, 1312, 1558, 1624, 1778, 2032, 2128, 2204, 2296, 2378, 2413, 3116, 3248, 3556, 3683, 3857, 4064, 4256, 4408, 4592, 4756, 4826, 5207, 5453, 6232, 6496, 7112, 7366, 7714, 8323, 8816, 9184, 9512, 9652, 10414, 10906, 12464, 14224, 14732, 15428, 16646, 16891, 17632, 19024, 19304, 20828, 21812, 22591, 24928, 25781, 28448, 29464, 30856, 33292, 33782, 36449, 38048, 38608, 41656, 43624, 45182, 51562, 58928, 61712, 66584, 67564, 69977, 72898, 77216, 83312, 87248, 90364, 98933, 103124, 117856, 123424, 133168, 135128, 139954, 145796, 151003, 158137, 166624, 174496, 180728, 197866, 206248, 266336, 270256, 279908, 291592, 302006, 316274, 361456, 395732, 412496, 489839, 540512, 559816, 583184, 604012, 632548, 692531, 722912, 791464, 824992, 979678, 1057021, 1119632, 1166368, 1208024, 1265096, 1385062, 1582928, 1959356, 2114042, 2239264, 2416048, 2530192, 2770124, 2869057, 3165856, 3918712, 4228084, 4832096, 5060384, 5540248, 5738114, 7837424, 8456168, 11080496, 11476228, 15674848, 16912336, 20083399, 22160992, 22952456, 33824672, 40166798, 45904912, 80333596, 91809824, 160667192, 321334384, 642668768]

約数ペア:

[(1, 642668768), (2, 321334384), (4, 160667192), (7, 91809824), (8, 80333596), (14, 45904912), (16, 40166798), (19, 33824672), (28, 22952456), (29, 22160992), (32, 20083399), (38, 16912336), (41, 15674848), (56, 11476228), (58, 11080496), (76, 8456168), (82, 7837424), (112, 5738114), (116, 5540248), (127, 5060384), (133, 4832096), (152, 4228084), (164, 3918712), (203, 3165856), (224, 2869057), (232, 2770124), (254, 2530192), (266, 2416048), (287, 2239264), (304, 2114042), (328, 1959356), (406, 1582928), (464, 1385062), (508, 1265096), (532, 1208024), (551, 1166368), (574, 1119632), (608, 1057021), (656, 979678), (779, 824992), (812, 791464), (889, 722912), (928, 692531), (1016, 632548), (1064, 604012), (1102, 583184), (1148, 559816), (1189, 540512), (1312, 489839), (1558, 412496), (1624, 395732), (1778, 361456), (2032, 316274), (2128, 302006), (2204, 291592), (2296, 279908), (2378, 270256), (2413, 266336), (3116, 206248), (3248, 197866), (3556, 180728), (3683, 174496), (3857, 166624), (4064, 158137), (4256, 151003), (4408, 145796), (4592, 139954), (4756, 135128), (4826, 133168), (5207, 123424), (5453, 117856), (6232, 103124), (6496, 98933), (7112, 90364), (7366, 87248), (7714, 83312), (8323, 77216), (8816, 72898), (9184, 69977), (9512, 67564), (9652, 66584), (10414, 61712), (10906, 58928), (12464, 51562), (14224, 45182), (14732, 43624), (15428, 41656), (16646, 38608), (16891, 38048), (17632, 36449), (19024, 33782), (19304, 33292), (20828, 30856), (21812, 29464), (22591, 28448), (24928, 25781)]