247168880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 687575040

約数和(自身を除く): 440406160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 79, 80, 112, 140, 148, 151, 158, 185, 259, 280, 296, 302, 316, 370, 395, 518, 553, 560, 592, 604, 632, 740, 755, 790, 1036, 1057, 1106, 1208, 1264, 1295, 1480, 1510, 1580, 2072, 2114, 2212, 2416, 2590, 2765, 2923, 2960, 3020, 3160, 4144, 4228, 4424, 5180, 5285, 5530, 5587, 5846, 6040, 6320, 8456, 8848, 10360, 10570, 11060, 11174, 11692, 11929, 12080, 14615, 16912, 20461, 20720, 21140, 22120, 22348, 23384, 23858, 27935, 29230, 39109, 40922, 42280, 44240, 44696, 46768, 47716, 55870, 58460, 59645, 78218, 81844, 83503, 84560, 89392, 95432, 102305, 111740, 116920, 119290, 156436, 163688, 167006, 190864, 195545, 204610, 223480, 233840, 238580, 312872, 327376, 334012, 391090, 409220, 417515, 441373, 446960, 477160, 625744, 668024, 782180, 818440, 835030, 882746, 954320, 1336048, 1564360, 1636880, 1670060, 1765492, 2206865, 3089611, 3128720, 3340120, 3530984, 4413730, 6179222, 6680240, 7061968, 8827460, 12358444, 15448055, 17654920, 24716888, 30896110, 35309840, 49433776, 61792220, 123584440, 247168880]

約数ペア:

[(1, 247168880), (2, 123584440), (4, 61792220), (5, 49433776), (7, 35309840), (8, 30896110), (10, 24716888), (14, 17654920), (16, 15448055), (20, 12358444), (28, 8827460), (35, 7061968), (37, 6680240), (40, 6179222), (56, 4413730), (70, 3530984), (74, 3340120), (79, 3128720), (80, 3089611), (112, 2206865), (140, 1765492), (148, 1670060), (151, 1636880), (158, 1564360), (185, 1336048), (259, 954320), (280, 882746), (296, 835030), (302, 818440), (316, 782180), (370, 668024), (395, 625744), (518, 477160), (553, 446960), (560, 441373), (592, 417515), (604, 409220), (632, 391090), (740, 334012), (755, 327376), (790, 312872), (1036, 238580), (1057, 233840), (1106, 223480), (1208, 204610), (1264, 195545), (1295, 190864), (1480, 167006), (1510, 163688), (1580, 156436), (2072, 119290), (2114, 116920), (2212, 111740), (2416, 102305), (2590, 95432), (2765, 89392), (2923, 84560), (2960, 83503), (3020, 81844), (3160, 78218), (4144, 59645), (4228, 58460), (4424, 55870), (5180, 47716), (5285, 46768), (5530, 44696), (5587, 44240), (5846, 42280), (6040, 40922), (6320, 39109), (8456, 29230), (8848, 27935), (10360, 23858), (10570, 23384), (11060, 22348), (11174, 22120), (11692, 21140), (11929, 20720), (12080, 20461), (14615, 16912)]