1390619520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1901}}^1$

素因数の和:2053

約数の個数: 192

約数和(自身を含む): 4842339840

約数和(自身を除く): 3451720320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 127, 128, 144, 160, 180, 192, 240, 254, 288, 320, 360, 381, 384, 480, 508, 576, 635, 640, 720, 762, 960, 1016, 1143, 1152, 1270, 1440, 1524, 1901, 1905, 1920, 2032, 2286, 2540, 2880, 3048, 3802, 3810, 4064, 4572, 5080, 5703, 5715, 5760, 6096, 7604, 7620, 8128, 9144, 9505, 10160, 11406, 11430, 12192, 15208, 15240, 16256, 17109, 18288, 19010, 20320, 22812, 22860, 24384, 28515, 30416, 30480, 34218, 36576, 38020, 40640, 45624, 45720, 48768, 57030, 60832, 60960, 68436, 73152, 76040, 81280, 85545, 91248, 91440, 114060, 121664, 121920, 136872, 146304, 152080, 171090, 182496, 182880, 228120, 241427, 243328, 243840, 273744, 304160, 342180, 364992, 365760, 456240, 482854, 547488, 608320, 684360, 724281, 729984, 731520, 912480, 965708, 1094976, 1207135, 1216640, 1368720, 1448562, 1824960, 1931416, 2172843, 2189952, 2414270, 2737440, 2897124, 3621405, 3649920, 3862832, 4345686, 4828540, 5474880, 5794248, 7242810, 7725664, 8691372, 9657080, 10864215, 10949760, 11588496, 14485620, 15451328, 17382744, 19314160, 21728430, 23176992, 28971240, 30902656, 34765488, 38628320, 43456860, 46353984, 57942480, 69530976, 77256640, 86913720, 92707968, 115884960, 139061952, 154513280, 173827440, 231769920, 278123904, 347654880, 463539840, 695309760, 1390619520]

約数ペア:

[(1, 1390619520), (2, 695309760), (3, 463539840), (4, 347654880), (5, 278123904), (6, 231769920), (8, 173827440), (9, 154513280), (10, 139061952), (12, 115884960), (15, 92707968), (16, 86913720), (18, 77256640), (20, 69530976), (24, 57942480), (30, 46353984), (32, 43456860), (36, 38628320), (40, 34765488), (45, 30902656), (48, 28971240), (60, 23176992), (64, 21728430), (72, 19314160), (80, 17382744), (90, 15451328), (96, 14485620), (120, 11588496), (127, 10949760), (128, 10864215), (144, 9657080), (160, 8691372), (180, 7725664), (192, 7242810), (240, 5794248), (254, 5474880), (288, 4828540), (320, 4345686), (360, 3862832), (381, 3649920), (384, 3621405), (480, 2897124), (508, 2737440), (576, 2414270), (635, 2189952), (640, 2172843), (720, 1931416), (762, 1824960), (960, 1448562), (1016, 1368720), (1143, 1216640), (1152, 1207135), (1270, 1094976), (1440, 965708), (1524, 912480), (1901, 731520), (1905, 729984), (1920, 724281), (2032, 684360), (2286, 608320), (2540, 547488), (2880, 482854), (3048, 456240), (3802, 365760), (3810, 364992), (4064, 342180), (4572, 304160), (5080, 273744), (5703, 243840), (5715, 243328), (5760, 241427), (6096, 228120), (7604, 182880), (7620, 182496), (8128, 171090), (9144, 152080), (9505, 146304), (10160, 136872), (11406, 121920), (11430, 121664), (12192, 114060), (15208, 91440), (15240, 91248), (16256, 85545), (17109, 81280), (18288, 76040), (19010, 73152), (20320, 68436), (22812, 60960), (22860, 60832), (24384, 57030), (28515, 48768), (30416, 45720), (30480, 45624), (34218, 40640), (36576, 38020)]