81419904

素因数分解:

$2^7\times 3^4\times {\mathrm{7853}}^1$

素因数の和:7879

約数の個数: 80

約数和(自身を含む): 242335170

約数和(自身を除く): 160915266

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 7853, 10368, 15706, 23559, 31412, 47118, 62824, 70677, 94236, 125648, 141354, 188472, 212031, 251296, 282708, 376944, 424062, 502592, 565416, 636093, 753888, 848124, 1005184, 1130832, 1272186, 1507776, 1696248, 2261664, 2544372, 3015552, 3392496, 4523328, 5088744, 6784992, 9046656, 10177488, 13569984, 20354976, 27139968, 40709952, 81419904]

約数ペア:

[(1, 81419904), (2, 40709952), (3, 27139968), (4, 20354976), (6, 13569984), (8, 10177488), (9, 9046656), (12, 6784992), (16, 5088744), (18, 4523328), (24, 3392496), (27, 3015552), (32, 2544372), (36, 2261664), (48, 1696248), (54, 1507776), (64, 1272186), (72, 1130832), (81, 1005184), (96, 848124), (108, 753888), (128, 636093), (144, 565416), (162, 502592), (192, 424062), (216, 376944), (288, 282708), (324, 251296), (384, 212031), (432, 188472), (576, 141354), (648, 125648), (864, 94236), (1152, 70677), (1296, 62824), (1728, 47118), (2592, 31412), (3456, 23559), (5184, 15706), (7853, 10368)]