398434560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 288

約数和(自身を含む): 1381416960

約数和(自身を除く): 982982400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 43, 48, 57, 60, 64, 76, 80, 86, 95, 96, 114, 120, 127, 128, 129, 152, 160, 172, 190, 192, 215, 228, 240, 254, 256, 258, 285, 304, 320, 344, 380, 381, 384, 430, 456, 480, 508, 516, 570, 608, 635, 640, 645, 688, 760, 762, 768, 817, 860, 912, 960, 1016, 1032, 1140, 1216, 1270, 1280, 1290, 1376, 1520, 1524, 1634, 1720, 1824, 1905, 1920, 2032, 2064, 2280, 2413, 2432, 2451, 2540, 2580, 2752, 3040, 3048, 3268, 3440, 3648, 3810, 3840, 4064, 4085, 4128, 4560, 4826, 4864, 4902, 5080, 5160, 5461, 5504, 6080, 6096, 6536, 6880, 7239, 7296, 7620, 8128, 8170, 8256, 9120, 9652, 9804, 10160, 10320, 10922, 11008, 12065, 12160, 12192, 12255, 13072, 13760, 14478, 14592, 15240, 16256, 16340, 16383, 16512, 18240, 19304, 19608, 20320, 20640, 21844, 24130, 24320, 24384, 24510, 26144, 27305, 27520, 28956, 30480, 32512, 32680, 32766, 33024, 36195, 36480, 38608, 39216, 40640, 41280, 43688, 48260, 48768, 49020, 52288, 54610, 55040, 57912, 60960, 65360, 65532, 72390, 72960, 77216, 78432, 81280, 81915, 82560, 87376, 96520, 97536, 98040, 103759, 104576, 109220, 115824, 121920, 130720, 131064, 144780, 154432, 156864, 162560, 163830, 165120, 174752, 193040, 196080, 207518, 209152, 218440, 231648, 243840, 261440, 262128, 289560, 308864, 311277, 313728, 327660, 349504, 386080, 392160, 415036, 436880, 463296, 487680, 518795, 522880, 524256, 579120, 617728, 622554, 627456, 655320, 699008, 772160, 784320, 830072, 873760, 926592, 1037590, 1045760, 1048512, 1158240, 1245108, 1310640, 1398016, 1544320, 1556385, 1568640, 1660144, 1747520, 1853184, 2075180, 2097024, 2316480, 2490216, 2621280, 3088640, 3112770, 3137280, 3320288, 3495040, 4150360, 4194048, 4632960, 4980432, 5242560, 6225540, 6640576, 6990080, 8300720, 9265920, 9960864, 10485120, 12451080, 13281152, 16601440, 19921728, 20970240, 24902160, 26562304, 33202880, 39843456, 49804320, 66405760, 79686912, 99608640, 132811520, 199217280, 398434560]

約数ペア:

[(1, 398434560), (2, 199217280), (3, 132811520), (4, 99608640), (5, 79686912), (6, 66405760), (8, 49804320), (10, 39843456), (12, 33202880), (15, 26562304), (16, 24902160), (19, 20970240), (20, 19921728), (24, 16601440), (30, 13281152), (32, 12451080), (38, 10485120), (40, 9960864), (43, 9265920), (48, 8300720), (57, 6990080), (60, 6640576), (64, 6225540), (76, 5242560), (80, 4980432), (86, 4632960), (95, 4194048), (96, 4150360), (114, 3495040), (120, 3320288), (127, 3137280), (128, 3112770), (129, 3088640), (152, 2621280), (160, 2490216), (172, 2316480), (190, 2097024), (192, 2075180), (215, 1853184), (228, 1747520), (240, 1660144), (254, 1568640), (256, 1556385), (258, 1544320), (285, 1398016), (304, 1310640), (320, 1245108), (344, 1158240), (380, 1048512), (381, 1045760), (384, 1037590), (430, 926592), (456, 873760), (480, 830072), (508, 784320), (516, 772160), (570, 699008), (608, 655320), (635, 627456), (640, 622554), (645, 617728), (688, 579120), (760, 524256), (762, 522880), (768, 518795), (817, 487680), (860, 463296), (912, 436880), (960, 415036), (1016, 392160), (1032, 386080), (1140, 349504), (1216, 327660), (1270, 313728), (1280, 311277), (1290, 308864), (1376, 289560), (1520, 262128), (1524, 261440), (1634, 243840), (1720, 231648), (1824, 218440), (1905, 209152), (1920, 207518), (2032, 196080), (2064, 193040), (2280, 174752), (2413, 165120), (2432, 163830), (2451, 162560), (2540, 156864), (2580, 154432), (2752, 144780), (3040, 131064), (3048, 130720), (3268, 121920), (3440, 115824), (3648, 109220), (3810, 104576), (3840, 103759), (4064, 98040), (4085, 97536), (4128, 96520), (4560, 87376), (4826, 82560), (4864, 81915), (4902, 81280), (5080, 78432), (5160, 77216), (5461, 72960), (5504, 72390), (6080, 65532), (6096, 65360), (6536, 60960), (6880, 57912), (7239, 55040), (7296, 54610), (7620, 52288), (8128, 49020), (8170, 48768), (8256, 48260), (9120, 43688), (9652, 41280), (9804, 40640), (10160, 39216), (10320, 38608), (10922, 36480), (11008, 36195), (12065, 33024), (12160, 32766), (12192, 32680), (12255, 32512), (13072, 30480), (13760, 28956), (14478, 27520), (14592, 27305), (15240, 26144), (16256, 24510), (16340, 24384), (16383, 24320), (16512, 24130), (18240, 21844), (19304, 20640), (19608, 20320)]