311332320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16631}}^1$

素因数の和:16665

約数の個数: 144

約数和(自身を含む): 1144215072

約数和(自身を除く): 832882752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 16631, 18720, 33262, 49893, 66524, 83155, 99786, 133048, 149679, 166310, 199572, 216203, 249465, 266096, 299358, 332620, 399144, 432406, 498930, 532192, 598716, 648609, 665240, 748395, 798288, 864812, 997860, 1081015, 1197432, 1297218, 1330480, 1496790, 1596576, 1729624, 1945827, 1995720, 2162030, 2394864, 2594436, 2660960, 2993580, 3243045, 3459248, 3891654, 3991440, 4324060, 4789728, 5188872, 5987160, 6486090, 6918496, 7783308, 7982880, 8648120, 9729135, 10377744, 11974320, 12972180, 15566616, 17296240, 19458270, 20755488, 23948640, 25944360, 31133232, 34592480, 38916540, 51888720, 62266464, 77833080, 103777440, 155666160, 311332320]

約数ペア:

[(1, 311332320), (2, 155666160), (3, 103777440), (4, 77833080), (5, 62266464), (6, 51888720), (8, 38916540), (9, 34592480), (10, 31133232), (12, 25944360), (13, 23948640), (15, 20755488), (16, 19458270), (18, 17296240), (20, 15566616), (24, 12972180), (26, 11974320), (30, 10377744), (32, 9729135), (36, 8648120), (39, 7982880), (40, 7783308), (45, 6918496), (48, 6486090), (52, 5987160), (60, 5188872), (65, 4789728), (72, 4324060), (78, 3991440), (80, 3891654), (90, 3459248), (96, 3243045), (104, 2993580), (117, 2660960), (120, 2594436), (130, 2394864), (144, 2162030), (156, 1995720), (160, 1945827), (180, 1729624), (195, 1596576), (208, 1496790), (234, 1330480), (240, 1297218), (260, 1197432), (288, 1081015), (312, 997860), (360, 864812), (390, 798288), (416, 748395), (468, 665240), (480, 648609), (520, 598716), (585, 532192), (624, 498930), (720, 432406), (780, 399144), (936, 332620), (1040, 299358), (1170, 266096), (1248, 249465), (1440, 216203), (1560, 199572), (1872, 166310), (2080, 149679), (2340, 133048), (3120, 99786), (3744, 83155), (4680, 66524), (6240, 49893), (9360, 33262), (16631, 18720)]