81987552

素因数分解:

$2^5\times 3^4\times {\mathrm{47}}^1\times {\mathrm{673}}^1$

素因数の和:742

約数の個数: 120

約数和(自身を含む): 246619296

約数和(自身を除く): 164631744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 72, 81, 94, 96, 108, 141, 144, 162, 188, 216, 282, 288, 324, 376, 423, 432, 564, 648, 673, 752, 846, 864, 1128, 1269, 1296, 1346, 1504, 1692, 2019, 2256, 2538, 2592, 2692, 3384, 3807, 4038, 4512, 5076, 5384, 6057, 6768, 7614, 8076, 10152, 10768, 12114, 13536, 15228, 16152, 18171, 20304, 21536, 24228, 30456, 31631, 32304, 36342, 40608, 48456, 54513, 60912, 63262, 64608, 72684, 94893, 96912, 109026, 121824, 126524, 145368, 189786, 193824, 218052, 253048, 284679, 290736, 379572, 436104, 506096, 569358, 581472, 759144, 854037, 872208, 1012192, 1138716, 1518288, 1708074, 1744416, 2277432, 2562111, 3036576, 3416148, 4554864, 5124222, 6832296, 9109728, 10248444, 13664592, 20496888, 27329184, 40993776, 81987552]

約数ペア:

[(1, 81987552), (2, 40993776), (3, 27329184), (4, 20496888), (6, 13664592), (8, 10248444), (9, 9109728), (12, 6832296), (16, 5124222), (18, 4554864), (24, 3416148), (27, 3036576), (32, 2562111), (36, 2277432), (47, 1744416), (48, 1708074), (54, 1518288), (72, 1138716), (81, 1012192), (94, 872208), (96, 854037), (108, 759144), (141, 581472), (144, 569358), (162, 506096), (188, 436104), (216, 379572), (282, 290736), (288, 284679), (324, 253048), (376, 218052), (423, 193824), (432, 189786), (564, 145368), (648, 126524), (673, 121824), (752, 109026), (846, 96912), (864, 94893), (1128, 72684), (1269, 64608), (1296, 63262), (1346, 60912), (1504, 54513), (1692, 48456), (2019, 40608), (2256, 36342), (2538, 32304), (2592, 31631), (2692, 30456), (3384, 24228), (3807, 21536), (4038, 20304), (4512, 18171), (5076, 16152), (5384, 15228), (6057, 13536), (6768, 12114), (7614, 10768), (8076, 10152)]