640377216

素因数分解:

$2^7\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1777

約数の個数: 192

約数和(自身を含む): 2055034800

約数和(自身を除く): 1414657584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 32, 34, 36, 38, 48, 51, 57, 64, 68, 72, 76, 96, 102, 114, 128, 136, 144, 152, 153, 171, 192, 204, 228, 272, 288, 304, 306, 323, 342, 384, 408, 456, 544, 576, 608, 612, 646, 684, 816, 912, 969, 1088, 1152, 1216, 1224, 1292, 1368, 1632, 1721, 1824, 1938, 2176, 2432, 2448, 2584, 2736, 2907, 3264, 3442, 3648, 3876, 4896, 5163, 5168, 5472, 5814, 6528, 6884, 7296, 7752, 9792, 10326, 10336, 10944, 11628, 13768, 15489, 15504, 19584, 20652, 20672, 21888, 23256, 27536, 29257, 30978, 31008, 32699, 41304, 41344, 46512, 55072, 58514, 61956, 62016, 65398, 82608, 87771, 93024, 98097, 110144, 117028, 123912, 124032, 130796, 165216, 175542, 186048, 196194, 220288, 234056, 247824, 261592, 263313, 294291, 330432, 351084, 372096, 392388, 468112, 495648, 523184, 526626, 555883, 588582, 660864, 702168, 784776, 936224, 991296, 1046368, 1053252, 1111766, 1177164, 1404336, 1569552, 1667649, 1872448, 1982592, 2092736, 2106504, 2223532, 2354328, 2808672, 3139104, 3335298, 3744896, 4185472, 4213008, 4447064, 4708656, 5002947, 5617344, 6278208, 6670596, 8426016, 8894128, 9417312, 10005894, 11234688, 12556416, 13341192, 16852032, 17788256, 18834624, 20011788, 26682384, 33704064, 35576512, 37669248, 40023576, 53364768, 71153024, 80047152, 106729536, 160094304, 213459072, 320188608, 640377216]

約数ペア:

[(1, 640377216), (2, 320188608), (3, 213459072), (4, 160094304), (6, 106729536), (8, 80047152), (9, 71153024), (12, 53364768), (16, 40023576), (17, 37669248), (18, 35576512), (19, 33704064), (24, 26682384), (32, 20011788), (34, 18834624), (36, 17788256), (38, 16852032), (48, 13341192), (51, 12556416), (57, 11234688), (64, 10005894), (68, 9417312), (72, 8894128), (76, 8426016), (96, 6670596), (102, 6278208), (114, 5617344), (128, 5002947), (136, 4708656), (144, 4447064), (152, 4213008), (153, 4185472), (171, 3744896), (192, 3335298), (204, 3139104), (228, 2808672), (272, 2354328), (288, 2223532), (304, 2106504), (306, 2092736), (323, 1982592), (342, 1872448), (384, 1667649), (408, 1569552), (456, 1404336), (544, 1177164), (576, 1111766), (608, 1053252), (612, 1046368), (646, 991296), (684, 936224), (816, 784776), (912, 702168), (969, 660864), (1088, 588582), (1152, 555883), (1216, 526626), (1224, 523184), (1292, 495648), (1368, 468112), (1632, 392388), (1721, 372096), (1824, 351084), (1938, 330432), (2176, 294291), (2432, 263313), (2448, 261592), (2584, 247824), (2736, 234056), (2907, 220288), (3264, 196194), (3442, 186048), (3648, 175542), (3876, 165216), (4896, 130796), (5163, 124032), (5168, 123912), (5472, 117028), (5814, 110144), (6528, 98097), (6884, 93024), (7296, 87771), (7752, 82608), (9792, 65398), (10326, 62016), (10336, 61956), (10944, 58514), (11628, 55072), (13768, 46512), (15489, 41344), (15504, 41304), (19584, 32699), (20652, 31008), (20672, 30978), (21888, 29257), (23256, 27536)]