312282880

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:431

約数の個数: 216

約数和(自身を含む): 939520512

約数和(自身を除く): 627237632

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 280, 320, 364, 383, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 766, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1280, 1456, 1532, 1568, 1664, 1792, 1820, 1915, 1960, 2080, 2240, 2548, 2681, 2912, 3064, 3136, 3185, 3328, 3640, 3830, 3920, 4160, 4480, 4979, 5096, 5362, 5824, 6128, 6272, 6370, 7280, 7660, 7840, 8320, 8960, 9958, 10192, 10724, 11648, 12256, 12544, 12740, 13405, 14560, 15320, 15680, 16640, 18767, 19916, 20384, 21448, 23296, 24512, 24895, 25480, 26810, 29120, 30640, 31360, 34853, 37534, 39832, 40768, 42896, 49024, 49790, 50960, 53620, 58240, 61280, 62720, 69706, 75068, 79664, 81536, 85792, 93835, 98048, 99580, 101920, 107240, 116480, 122560, 139412, 150136, 159328, 163072, 171584, 174265, 187670, 199160, 203840, 214480, 243971, 245120, 278824, 300272, 318656, 343168, 348530, 375340, 398320, 407680, 428960, 487942, 490240, 557648, 600544, 637312, 686336, 697060, 750680, 796640, 815360, 857920, 975884, 1115296, 1201088, 1219855, 1274624, 1394120, 1501360, 1593280, 1715840, 1951768, 2230592, 2402176, 2439710, 2788240, 3002720, 3186560, 3431680, 3903536, 4461184, 4804352, 4879420, 5576480, 6005440, 6373120, 7807072, 8922368, 9758840, 11152960, 12010880, 15614144, 19517680, 22305920, 24021760, 31228288, 39035360, 44611840, 62456576, 78070720, 156141440, 312282880]

約数ペア:

[(1, 312282880), (2, 156141440), (4, 78070720), (5, 62456576), (7, 44611840), (8, 39035360), (10, 31228288), (13, 24021760), (14, 22305920), (16, 19517680), (20, 15614144), (26, 12010880), (28, 11152960), (32, 9758840), (35, 8922368), (40, 7807072), (49, 6373120), (52, 6005440), (56, 5576480), (64, 4879420), (65, 4804352), (70, 4461184), (80, 3903536), (91, 3431680), (98, 3186560), (104, 3002720), (112, 2788240), (128, 2439710), (130, 2402176), (140, 2230592), (160, 1951768), (182, 1715840), (196, 1593280), (208, 1501360), (224, 1394120), (245, 1274624), (256, 1219855), (260, 1201088), (280, 1115296), (320, 975884), (364, 857920), (383, 815360), (392, 796640), (416, 750680), (448, 697060), (455, 686336), (490, 637312), (520, 600544), (560, 557648), (637, 490240), (640, 487942), (728, 428960), (766, 407680), (784, 398320), (832, 375340), (896, 348530), (910, 343168), (980, 318656), (1040, 300272), (1120, 278824), (1274, 245120), (1280, 243971), (1456, 214480), (1532, 203840), (1568, 199160), (1664, 187670), (1792, 174265), (1820, 171584), (1915, 163072), (1960, 159328), (2080, 150136), (2240, 139412), (2548, 122560), (2681, 116480), (2912, 107240), (3064, 101920), (3136, 99580), (3185, 98048), (3328, 93835), (3640, 85792), (3830, 81536), (3920, 79664), (4160, 75068), (4480, 69706), (4979, 62720), (5096, 61280), (5362, 58240), (5824, 53620), (6128, 50960), (6272, 49790), (6370, 49024), (7280, 42896), (7660, 40768), (7840, 39832), (8320, 37534), (8960, 34853), (9958, 31360), (10192, 30640), (10724, 29120), (11648, 26810), (12256, 25480), (12544, 24895), (12740, 24512), (13405, 23296), (14560, 21448), (15320, 20384), (15680, 19916), (16640, 18767)]