163936640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 256

約数和(自身を含む): 491166720

約数和(自身を除く): 327230080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 37, 40, 43, 46, 56, 64, 70, 74, 80, 86, 92, 112, 115, 128, 140, 148, 160, 161, 172, 184, 185, 215, 224, 230, 259, 280, 296, 301, 320, 322, 344, 368, 370, 430, 448, 460, 518, 560, 592, 602, 640, 644, 688, 736, 740, 805, 851, 860, 896, 920, 989, 1036, 1120, 1184, 1204, 1288, 1295, 1376, 1472, 1480, 1505, 1591, 1610, 1702, 1720, 1840, 1978, 2072, 2240, 2368, 2408, 2576, 2590, 2752, 2944, 2960, 3010, 3182, 3220, 3404, 3440, 3680, 3956, 4144, 4255, 4480, 4736, 4816, 4945, 5152, 5180, 5504, 5920, 5957, 6020, 6364, 6440, 6808, 6880, 6923, 7360, 7912, 7955, 8288, 8510, 9632, 9890, 10304, 10360, 11137, 11840, 11914, 12040, 12728, 12880, 13616, 13760, 13846, 14720, 15824, 15910, 16576, 17020, 19264, 19780, 20608, 20720, 22274, 23680, 23828, 24080, 25456, 25760, 27232, 27520, 27692, 29785, 31648, 31820, 33152, 34040, 34615, 36593, 38528, 39560, 41440, 44548, 47656, 48160, 50912, 51520, 54464, 55384, 55685, 59570, 63296, 63640, 68080, 69230, 73186, 79120, 82880, 89096, 95312, 96320, 101824, 103040, 108928, 110768, 111370, 119140, 126592, 127280, 136160, 138460, 146372, 158240, 165760, 178192, 182965, 190624, 192640, 203648, 221536, 222740, 238280, 254560, 256151, 272320, 276920, 292744, 316480, 356384, 365930, 381248, 443072, 445480, 476560, 509120, 512302, 544640, 553840, 585488, 632960, 712768, 731860, 762496, 886144, 890960, 953120, 1018240, 1024604, 1107680, 1170976, 1280755, 1425536, 1463720, 1781920, 1906240, 2049208, 2215360, 2341952, 2561510, 2927440, 3563840, 3812480, 4098416, 4430720, 4683904, 5123020, 5854880, 7127680, 8196832, 10246040, 11709760, 16393664, 20492080, 23419520, 32787328, 40984160, 81968320, 163936640]

約数ペア:

[(1, 163936640), (2, 81968320), (4, 40984160), (5, 32787328), (7, 23419520), (8, 20492080), (10, 16393664), (14, 11709760), (16, 10246040), (20, 8196832), (23, 7127680), (28, 5854880), (32, 5123020), (35, 4683904), (37, 4430720), (40, 4098416), (43, 3812480), (46, 3563840), (56, 2927440), (64, 2561510), (70, 2341952), (74, 2215360), (80, 2049208), (86, 1906240), (92, 1781920), (112, 1463720), (115, 1425536), (128, 1280755), (140, 1170976), (148, 1107680), (160, 1024604), (161, 1018240), (172, 953120), (184, 890960), (185, 886144), (215, 762496), (224, 731860), (230, 712768), (259, 632960), (280, 585488), (296, 553840), (301, 544640), (320, 512302), (322, 509120), (344, 476560), (368, 445480), (370, 443072), (430, 381248), (448, 365930), (460, 356384), (518, 316480), (560, 292744), (592, 276920), (602, 272320), (640, 256151), (644, 254560), (688, 238280), (736, 222740), (740, 221536), (805, 203648), (851, 192640), (860, 190624), (896, 182965), (920, 178192), (989, 165760), (1036, 158240), (1120, 146372), (1184, 138460), (1204, 136160), (1288, 127280), (1295, 126592), (1376, 119140), (1472, 111370), (1480, 110768), (1505, 108928), (1591, 103040), (1610, 101824), (1702, 96320), (1720, 95312), (1840, 89096), (1978, 82880), (2072, 79120), (2240, 73186), (2368, 69230), (2408, 68080), (2576, 63640), (2590, 63296), (2752, 59570), (2944, 55685), (2960, 55384), (3010, 54464), (3182, 51520), (3220, 50912), (3404, 48160), (3440, 47656), (3680, 44548), (3956, 41440), (4144, 39560), (4255, 38528), (4480, 36593), (4736, 34615), (4816, 34040), (4945, 33152), (5152, 31820), (5180, 31648), (5504, 29785), (5920, 27692), (5957, 27520), (6020, 27232), (6364, 25760), (6440, 25456), (6808, 24080), (6880, 23828), (6923, 23680), (7360, 22274), (7912, 20720), (7955, 20608), (8288, 19780), (8510, 19264), (9632, 17020), (9890, 16576), (10304, 15910), (10360, 15824), (11137, 14720), (11840, 13846), (11914, 13760), (12040, 13616), (12728, 12880)]