215978880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:561

約数の個数: 256

約数和(自身を含む): 786542400

約数和(自身を除く): 570563520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 96, 102, 104, 120, 128, 130, 136, 156, 160, 170, 192, 195, 204, 208, 221, 240, 255, 260, 272, 312, 320, 340, 384, 390, 408, 416, 442, 480, 509, 510, 520, 544, 624, 640, 663, 680, 780, 816, 832, 884, 960, 1018, 1020, 1040, 1088, 1105, 1248, 1326, 1360, 1527, 1560, 1632, 1664, 1768, 1920, 2036, 2040, 2080, 2176, 2210, 2496, 2545, 2652, 2720, 3054, 3120, 3264, 3315, 3536, 4072, 4080, 4160, 4420, 4992, 5090, 5304, 5440, 6108, 6240, 6528, 6617, 6630, 7072, 7635, 8144, 8160, 8320, 8653, 8840, 10180, 10608, 10880, 12216, 12480, 13234, 13260, 14144, 15270, 16288, 16320, 17306, 17680, 19851, 20360, 21216, 24432, 24960, 25959, 26468, 26520, 28288, 30540, 32576, 32640, 33085, 34612, 35360, 39702, 40720, 42432, 43265, 48864, 51918, 52936, 53040, 61080, 65152, 66170, 69224, 70720, 79404, 81440, 84864, 86530, 97728, 99255, 103836, 105872, 106080, 112489, 122160, 129795, 132340, 138448, 141440, 158808, 162880, 173060, 195456, 198510, 207672, 211744, 212160, 224978, 244320, 259590, 264680, 276896, 317616, 325760, 337467, 346120, 397020, 415344, 423488, 424320, 449956, 488640, 519180, 529360, 553792, 562445, 635232, 674934, 692240, 794040, 830688, 846976, 899912, 977280, 1038360, 1058720, 1107584, 1124890, 1270464, 1349868, 1384480, 1588080, 1661376, 1687335, 1799824, 2076720, 2117440, 2249780, 2540928, 2699736, 2768960, 3176160, 3322752, 3374670, 3599648, 4153440, 4234880, 4499560, 5399472, 5537920, 6352320, 6749340, 7199296, 8306880, 8999120, 10798944, 12704640, 13498680, 14398592, 16613760, 17998240, 21597888, 26997360, 35996480, 43195776, 53994720, 71992960, 107989440, 215978880]

約数ペア:

[(1, 215978880), (2, 107989440), (3, 71992960), (4, 53994720), (5, 43195776), (6, 35996480), (8, 26997360), (10, 21597888), (12, 17998240), (13, 16613760), (15, 14398592), (16, 13498680), (17, 12704640), (20, 10798944), (24, 8999120), (26, 8306880), (30, 7199296), (32, 6749340), (34, 6352320), (39, 5537920), (40, 5399472), (48, 4499560), (51, 4234880), (52, 4153440), (60, 3599648), (64, 3374670), (65, 3322752), (68, 3176160), (78, 2768960), (80, 2699736), (85, 2540928), (96, 2249780), (102, 2117440), (104, 2076720), (120, 1799824), (128, 1687335), (130, 1661376), (136, 1588080), (156, 1384480), (160, 1349868), (170, 1270464), (192, 1124890), (195, 1107584), (204, 1058720), (208, 1038360), (221, 977280), (240, 899912), (255, 846976), (260, 830688), (272, 794040), (312, 692240), (320, 674934), (340, 635232), (384, 562445), (390, 553792), (408, 529360), (416, 519180), (442, 488640), (480, 449956), (509, 424320), (510, 423488), (520, 415344), (544, 397020), (624, 346120), (640, 337467), (663, 325760), (680, 317616), (780, 276896), (816, 264680), (832, 259590), (884, 244320), (960, 224978), (1018, 212160), (1020, 211744), (1040, 207672), (1088, 198510), (1105, 195456), (1248, 173060), (1326, 162880), (1360, 158808), (1527, 141440), (1560, 138448), (1632, 132340), (1664, 129795), (1768, 122160), (1920, 112489), (2036, 106080), (2040, 105872), (2080, 103836), (2176, 99255), (2210, 97728), (2496, 86530), (2545, 84864), (2652, 81440), (2720, 79404), (3054, 70720), (3120, 69224), (3264, 66170), (3315, 65152), (3536, 61080), (4072, 53040), (4080, 52936), (4160, 51918), (4420, 48864), (4992, 43265), (5090, 42432), (5304, 40720), (5440, 39702), (6108, 35360), (6240, 34612), (6528, 33085), (6617, 32640), (6630, 32576), (7072, 30540), (7635, 28288), (8144, 26520), (8160, 26468), (8320, 25959), (8653, 24960), (8840, 24432), (10180, 21216), (10608, 20360), (10880, 19851), (12216, 17680), (12480, 17306), (13234, 16320), (13260, 16288), (14144, 15270)]