218907520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 572171040

約数和(自身を除く): 353263520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 128, 130, 160, 166, 208, 260, 317, 320, 332, 415, 416, 520, 634, 640, 664, 830, 832, 1040, 1079, 1268, 1328, 1585, 1660, 1664, 2080, 2158, 2536, 2656, 3170, 3320, 4121, 4160, 4316, 5072, 5312, 5395, 6340, 6640, 8242, 8320, 8632, 10144, 10624, 10790, 12680, 13280, 16484, 17264, 20288, 20605, 21580, 25360, 26311, 26560, 32968, 34528, 40576, 41210, 43160, 50720, 52622, 53120, 65936, 69056, 82420, 86320, 101440, 105244, 131555, 131872, 138112, 164840, 172640, 202880, 210488, 263110, 263744, 329680, 342043, 345280, 420976, 526220, 527488, 659360, 684086, 690560, 841952, 1052440, 1318720, 1368172, 1683904, 1710215, 2104880, 2637440, 2736344, 3367808, 3420430, 4209760, 5472688, 6840860, 8419520, 10945376, 13681720, 16839040, 21890752, 27363440, 43781504, 54726880, 109453760, 218907520]

約数ペア:

[(1, 218907520), (2, 109453760), (4, 54726880), (5, 43781504), (8, 27363440), (10, 21890752), (13, 16839040), (16, 13681720), (20, 10945376), (26, 8419520), (32, 6840860), (40, 5472688), (52, 4209760), (64, 3420430), (65, 3367808), (80, 2736344), (83, 2637440), (104, 2104880), (128, 1710215), (130, 1683904), (160, 1368172), (166, 1318720), (208, 1052440), (260, 841952), (317, 690560), (320, 684086), (332, 659360), (415, 527488), (416, 526220), (520, 420976), (634, 345280), (640, 342043), (664, 329680), (830, 263744), (832, 263110), (1040, 210488), (1079, 202880), (1268, 172640), (1328, 164840), (1585, 138112), (1660, 131872), (1664, 131555), (2080, 105244), (2158, 101440), (2536, 86320), (2656, 82420), (3170, 69056), (3320, 65936), (4121, 53120), (4160, 52622), (4316, 50720), (5072, 43160), (5312, 41210), (5395, 40576), (6340, 34528), (6640, 32968), (8242, 26560), (8320, 26311), (8632, 25360), (10144, 21580), (10624, 20605), (10790, 20288), (12680, 17264), (13280, 16484)]