312465720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 256

約数和(自身を含む): 1128038400

約数和(自身を除く): 815572680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 101, 105, 116, 120, 127, 140, 145, 168, 174, 202, 203, 210, 232, 254, 280, 290, 303, 348, 381, 404, 406, 420, 435, 505, 508, 580, 606, 609, 635, 696, 707, 762, 808, 812, 840, 870, 889, 1010, 1015, 1016, 1160, 1212, 1218, 1270, 1414, 1515, 1524, 1624, 1740, 1778, 1905, 2020, 2030, 2121, 2424, 2436, 2540, 2667, 2828, 2929, 3030, 3045, 3048, 3480, 3535, 3556, 3683, 3810, 4040, 4060, 4242, 4445, 4872, 5080, 5334, 5656, 5858, 6060, 6090, 7070, 7112, 7366, 7620, 8120, 8484, 8787, 8890, 10605, 10668, 11049, 11716, 12120, 12180, 12827, 13335, 14140, 14645, 14732, 15240, 16968, 17574, 17780, 18415, 20503, 21210, 21336, 22098, 23432, 24360, 25654, 25781, 26670, 28280, 29290, 29464, 35148, 35560, 36830, 38481, 41006, 42420, 43935, 44196, 51308, 51562, 53340, 55245, 58580, 61509, 64135, 70296, 73660, 76962, 77343, 82012, 84840, 87870, 88392, 89789, 102515, 102616, 103124, 106680, 110490, 117160, 123018, 128270, 128905, 147320, 153924, 154686, 164024, 175740, 179578, 192405, 205030, 206248, 220980, 246036, 256540, 257810, 269367, 307545, 307848, 309372, 351480, 359156, 371983, 384810, 386715, 410060, 441960, 448945, 492072, 513080, 515620, 538734, 615090, 618744, 718312, 743966, 769620, 773430, 820120, 897890, 1031240, 1077468, 1115949, 1230180, 1346835, 1487932, 1539240, 1546860, 1795780, 1859915, 2154936, 2231898, 2460360, 2603881, 2693670, 2975864, 3093720, 3591560, 3719830, 4463796, 5207762, 5387340, 5579745, 7439660, 7811643, 8927592, 10415524, 10774680, 11159490, 13019405, 14879320, 15623286, 20831048, 22318980, 26038810, 31246572, 39058215, 44637960, 52077620, 62493144, 78116430, 104155240, 156232860, 312465720]

約数ペア:

[(1, 312465720), (2, 156232860), (3, 104155240), (4, 78116430), (5, 62493144), (6, 52077620), (7, 44637960), (8, 39058215), (10, 31246572), (12, 26038810), (14, 22318980), (15, 20831048), (20, 15623286), (21, 14879320), (24, 13019405), (28, 11159490), (29, 10774680), (30, 10415524), (35, 8927592), (40, 7811643), (42, 7439660), (56, 5579745), (58, 5387340), (60, 5207762), (70, 4463796), (84, 3719830), (87, 3591560), (101, 3093720), (105, 2975864), (116, 2693670), (120, 2603881), (127, 2460360), (140, 2231898), (145, 2154936), (168, 1859915), (174, 1795780), (202, 1546860), (203, 1539240), (210, 1487932), (232, 1346835), (254, 1230180), (280, 1115949), (290, 1077468), (303, 1031240), (348, 897890), (381, 820120), (404, 773430), (406, 769620), (420, 743966), (435, 718312), (505, 618744), (508, 615090), (580, 538734), (606, 515620), (609, 513080), (635, 492072), (696, 448945), (707, 441960), (762, 410060), (808, 386715), (812, 384810), (840, 371983), (870, 359156), (889, 351480), (1010, 309372), (1015, 307848), (1016, 307545), (1160, 269367), (1212, 257810), (1218, 256540), (1270, 246036), (1414, 220980), (1515, 206248), (1524, 205030), (1624, 192405), (1740, 179578), (1778, 175740), (1905, 164024), (2020, 154686), (2030, 153924), (2121, 147320), (2424, 128905), (2436, 128270), (2540, 123018), (2667, 117160), (2828, 110490), (2929, 106680), (3030, 103124), (3045, 102616), (3048, 102515), (3480, 89789), (3535, 88392), (3556, 87870), (3683, 84840), (3810, 82012), (4040, 77343), (4060, 76962), (4242, 73660), (4445, 70296), (4872, 64135), (5080, 61509), (5334, 58580), (5656, 55245), (5858, 53340), (6060, 51562), (6090, 51308), (7070, 44196), (7112, 43935), (7366, 42420), (7620, 41006), (8120, 38481), (8484, 36830), (8787, 35560), (8890, 35148), (10605, 29464), (10668, 29290), (11049, 28280), (11716, 26670), (12120, 25781), (12180, 25654), (12827, 24360), (13335, 23432), (14140, 22098), (14645, 21336), (14732, 21210), (15240, 20503), (16968, 18415), (17574, 17780)]