313231360

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 818328420

約数和(自身を除く): 505097060

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 181, 208, 256, 260, 320, 338, 362, 416, 512, 520, 640, 676, 724, 832, 845, 905, 1024, 1040, 1280, 1352, 1448, 1664, 1690, 1810, 2048, 2080, 2353, 2560, 2704, 2896, 3328, 3380, 3620, 4160, 4706, 5120, 5408, 5792, 6656, 6760, 7240, 8320, 9412, 10240, 10816, 11584, 11765, 13312, 13520, 14480, 16640, 18824, 21632, 23168, 23530, 26624, 27040, 28960, 30589, 33280, 37648, 43264, 46336, 47060, 54080, 57920, 61178, 66560, 75296, 86528, 92672, 94120, 108160, 115840, 122356, 133120, 150592, 152945, 173056, 185344, 188240, 216320, 231680, 244712, 301184, 305890, 346112, 370688, 376480, 432640, 463360, 489424, 602368, 611780, 752960, 865280, 926720, 978848, 1204736, 1223560, 1505920, 1730560, 1853440, 1957696, 2409472, 2447120, 3011840, 3915392, 4818944, 4894240, 6023680, 7830784, 9788480, 12047360, 15661568, 19576960, 24094720, 31323136, 39153920, 62646272, 78307840, 156615680, 313231360]

約数ペア:

[(1, 313231360), (2, 156615680), (4, 78307840), (5, 62646272), (8, 39153920), (10, 31323136), (13, 24094720), (16, 19576960), (20, 15661568), (26, 12047360), (32, 9788480), (40, 7830784), (52, 6023680), (64, 4894240), (65, 4818944), (80, 3915392), (104, 3011840), (128, 2447120), (130, 2409472), (160, 1957696), (169, 1853440), (181, 1730560), (208, 1505920), (256, 1223560), (260, 1204736), (320, 978848), (338, 926720), (362, 865280), (416, 752960), (512, 611780), (520, 602368), (640, 489424), (676, 463360), (724, 432640), (832, 376480), (845, 370688), (905, 346112), (1024, 305890), (1040, 301184), (1280, 244712), (1352, 231680), (1448, 216320), (1664, 188240), (1690, 185344), (1810, 173056), (2048, 152945), (2080, 150592), (2353, 133120), (2560, 122356), (2704, 115840), (2896, 108160), (3328, 94120), (3380, 92672), (3620, 86528), (4160, 75296), (4706, 66560), (5120, 61178), (5408, 57920), (5792, 54080), (6656, 47060), (6760, 46336), (7240, 43264), (8320, 37648), (9412, 33280), (10240, 30589), (10816, 28960), (11584, 27040), (11765, 26624), (13312, 23530), (13520, 23168), (14480, 21632), (16640, 18824)]