317687440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 879943680

約数和(自身を除く): 562256240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 79, 80, 86, 112, 140, 158, 167, 172, 215, 280, 301, 316, 334, 344, 395, 430, 553, 560, 602, 632, 668, 688, 790, 835, 860, 1106, 1169, 1204, 1264, 1336, 1505, 1580, 1670, 1720, 2212, 2338, 2408, 2672, 2765, 3010, 3160, 3340, 3397, 3440, 4424, 4676, 4816, 5530, 5845, 6020, 6320, 6680, 6794, 7181, 8848, 9352, 11060, 11690, 12040, 13193, 13360, 13588, 14362, 16985, 18704, 22120, 23380, 23779, 24080, 26386, 27176, 28724, 33970, 35905, 44240, 46760, 47558, 50267, 52772, 54352, 57448, 65965, 67940, 71810, 92351, 93520, 95116, 100534, 105544, 114896, 118895, 131930, 135880, 143620, 184702, 190232, 201068, 211088, 237790, 251335, 263860, 271760, 287240, 369404, 380464, 402136, 461755, 475580, 502670, 527720, 567299, 574480, 738808, 804272, 923510, 951160, 1005340, 1055440, 1134598, 1477616, 1847020, 1902320, 2010680, 2269196, 2836495, 3694040, 3971093, 4021360, 4538392, 5672990, 7388080, 7942186, 9076784, 11345980, 15884372, 19855465, 22691960, 31768744, 39710930, 45383920, 63537488, 79421860, 158843720, 317687440]

約数ペア:

[(1, 317687440), (2, 158843720), (4, 79421860), (5, 63537488), (7, 45383920), (8, 39710930), (10, 31768744), (14, 22691960), (16, 19855465), (20, 15884372), (28, 11345980), (35, 9076784), (40, 7942186), (43, 7388080), (56, 5672990), (70, 4538392), (79, 4021360), (80, 3971093), (86, 3694040), (112, 2836495), (140, 2269196), (158, 2010680), (167, 1902320), (172, 1847020), (215, 1477616), (280, 1134598), (301, 1055440), (316, 1005340), (334, 951160), (344, 923510), (395, 804272), (430, 738808), (553, 574480), (560, 567299), (602, 527720), (632, 502670), (668, 475580), (688, 461755), (790, 402136), (835, 380464), (860, 369404), (1106, 287240), (1169, 271760), (1204, 263860), (1264, 251335), (1336, 237790), (1505, 211088), (1580, 201068), (1670, 190232), (1720, 184702), (2212, 143620), (2338, 135880), (2408, 131930), (2672, 118895), (2765, 114896), (3010, 105544), (3160, 100534), (3340, 95116), (3397, 93520), (3440, 92351), (4424, 71810), (4676, 67940), (4816, 65965), (5530, 57448), (5845, 54352), (6020, 52772), (6320, 50267), (6680, 47558), (6794, 46760), (7181, 44240), (8848, 35905), (9352, 33970), (11060, 28724), (11690, 27176), (12040, 26386), (13193, 24080), (13360, 23779), (13588, 23380), (14362, 22120), (16985, 18704)]