217685760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:790

約数の個数: 144

約数和(自身を含む): 704640384

約数和(自身を除く): 486954624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 83, 96, 120, 128, 160, 166, 192, 240, 249, 256, 320, 332, 384, 415, 480, 498, 640, 664, 683, 768, 830, 960, 996, 1245, 1280, 1328, 1366, 1660, 1920, 1992, 2049, 2490, 2656, 2732, 3320, 3415, 3840, 3984, 4098, 4980, 5312, 5464, 6640, 6830, 7968, 8196, 9960, 10245, 10624, 10928, 13280, 13660, 15936, 16392, 19920, 20490, 21248, 21856, 26560, 27320, 31872, 32784, 39840, 40980, 43712, 53120, 54640, 56689, 63744, 65568, 79680, 81960, 87424, 106240, 109280, 113378, 131136, 159360, 163920, 170067, 174848, 218560, 226756, 262272, 283445, 318720, 327840, 340134, 437120, 453512, 524544, 566890, 655680, 680268, 850335, 874240, 907024, 1133780, 1311360, 1360536, 1700670, 1814048, 2267560, 2622720, 2721072, 3401340, 3628096, 4535120, 5442144, 6802680, 7256192, 9070240, 10884288, 13605360, 14512384, 18140480, 21768576, 27210720, 36280960, 43537152, 54421440, 72561920, 108842880, 217685760]

約数ペア:

[(1, 217685760), (2, 108842880), (3, 72561920), (4, 54421440), (5, 43537152), (6, 36280960), (8, 27210720), (10, 21768576), (12, 18140480), (15, 14512384), (16, 13605360), (20, 10884288), (24, 9070240), (30, 7256192), (32, 6802680), (40, 5442144), (48, 4535120), (60, 3628096), (64, 3401340), (80, 2721072), (83, 2622720), (96, 2267560), (120, 1814048), (128, 1700670), (160, 1360536), (166, 1311360), (192, 1133780), (240, 907024), (249, 874240), (256, 850335), (320, 680268), (332, 655680), (384, 566890), (415, 524544), (480, 453512), (498, 437120), (640, 340134), (664, 327840), (683, 318720), (768, 283445), (830, 262272), (960, 226756), (996, 218560), (1245, 174848), (1280, 170067), (1328, 163920), (1366, 159360), (1660, 131136), (1920, 113378), (1992, 109280), (2049, 106240), (2490, 87424), (2656, 81960), (2732, 79680), (3320, 65568), (3415, 63744), (3840, 56689), (3984, 54640), (4098, 53120), (4980, 43712), (5312, 40980), (5464, 39840), (6640, 32784), (6830, 31872), (7968, 27320), (8196, 26560), (9960, 21856), (10245, 21248), (10624, 20490), (10928, 19920), (13280, 16392), (13660, 15936)]