28136160

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:207

約数の個数: 240

約数和(自身を含む): 107575776

約数和(自身を除く): 79439616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 167, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 334, 351, 360, 390, 405, 416, 432, 468, 480, 501, 520, 540, 585, 624, 648, 668, 702, 720, 780, 810, 835, 864, 936, 1002, 1040, 1053, 1080, 1170, 1248, 1296, 1336, 1404, 1440, 1503, 1560, 1620, 1670, 1755, 1872, 2004, 2080, 2106, 2160, 2171, 2340, 2505, 2592, 2672, 2808, 3006, 3120, 3240, 3340, 3510, 3744, 4008, 4212, 4320, 4342, 4509, 4680, 5010, 5265, 5344, 5616, 6012, 6240, 6480, 6513, 6680, 7020, 7515, 8016, 8424, 8684, 9018, 9360, 10020, 10530, 10855, 11232, 12024, 12960, 13026, 13360, 13527, 14040, 15030, 16032, 16848, 17368, 18036, 18720, 19539, 20040, 21060, 21710, 22545, 24048, 26052, 26720, 27054, 28080, 30060, 32565, 33696, 34736, 36072, 39078, 40080, 42120, 43420, 45090, 48096, 52104, 54108, 56160, 58617, 60120, 65130, 67635, 69472, 72144, 78156, 80160, 84240, 86840, 90180, 97695, 104208, 108216, 117234, 120240, 130260, 135270, 144288, 156312, 168480, 173680, 175851, 180360, 195390, 208416, 216432, 234468, 240480, 260520, 270540, 293085, 312624, 347360, 351702, 360720, 390780, 432864, 468936, 521040, 541080, 586170, 625248, 703404, 721440, 781560, 879255, 937872, 1042080, 1082160, 1172340, 1406808, 1563120, 1758510, 1875744, 2164320, 2344680, 2813616, 3126240, 3517020, 4689360, 5627232, 7034040, 9378720, 14068080, 28136160]

約数ペア:

[(1, 28136160), (2, 14068080), (3, 9378720), (4, 7034040), (5, 5627232), (6, 4689360), (8, 3517020), (9, 3126240), (10, 2813616), (12, 2344680), (13, 2164320), (15, 1875744), (16, 1758510), (18, 1563120), (20, 1406808), (24, 1172340), (26, 1082160), (27, 1042080), (30, 937872), (32, 879255), (36, 781560), (39, 721440), (40, 703404), (45, 625248), (48, 586170), (52, 541080), (54, 521040), (60, 468936), (65, 432864), (72, 390780), (78, 360720), (80, 351702), (81, 347360), (90, 312624), (96, 293085), (104, 270540), (108, 260520), (117, 240480), (120, 234468), (130, 216432), (135, 208416), (144, 195390), (156, 180360), (160, 175851), (162, 173680), (167, 168480), (180, 156312), (195, 144288), (208, 135270), (216, 130260), (234, 120240), (240, 117234), (260, 108216), (270, 104208), (288, 97695), (312, 90180), (324, 86840), (334, 84240), (351, 80160), (360, 78156), (390, 72144), (405, 69472), (416, 67635), (432, 65130), (468, 60120), (480, 58617), (501, 56160), (520, 54108), (540, 52104), (585, 48096), (624, 45090), (648, 43420), (668, 42120), (702, 40080), (720, 39078), (780, 36072), (810, 34736), (835, 33696), (864, 32565), (936, 30060), (1002, 28080), (1040, 27054), (1053, 26720), (1080, 26052), (1170, 24048), (1248, 22545), (1296, 21710), (1336, 21060), (1404, 20040), (1440, 19539), (1503, 18720), (1560, 18036), (1620, 17368), (1670, 16848), (1755, 16032), (1872, 15030), (2004, 14040), (2080, 13527), (2106, 13360), (2160, 13026), (2171, 12960), (2340, 12024), (2505, 11232), (2592, 10855), (2672, 10530), (2808, 10020), (3006, 9360), (3120, 9018), (3240, 8684), (3340, 8424), (3510, 8016), (3744, 7515), (4008, 7020), (4212, 6680), (4320, 6513), (4342, 6480), (4509, 6240), (4680, 6012), (5010, 5616), (5265, 5344)]