81318816

素因数分解:

$2^5\times 3^4\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 120

約数和(自身を含む): 241954020

約数和(自身を除く): 160635204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 137, 144, 162, 216, 229, 274, 288, 324, 411, 432, 458, 548, 648, 687, 822, 864, 916, 1096, 1233, 1296, 1374, 1644, 1832, 2061, 2192, 2466, 2592, 2748, 3288, 3664, 3699, 4122, 4384, 4932, 5496, 6183, 6576, 7328, 7398, 8244, 9864, 10992, 11097, 12366, 13152, 14796, 16488, 18549, 19728, 21984, 22194, 24732, 29592, 31373, 32976, 37098, 39456, 44388, 49464, 59184, 62746, 65952, 74196, 88776, 94119, 98928, 118368, 125492, 148392, 177552, 188238, 197856, 250984, 282357, 296784, 355104, 376476, 501968, 564714, 593568, 752952, 847071, 1003936, 1129428, 1505904, 1694142, 2258856, 2541213, 3011808, 3388284, 4517712, 5082426, 6776568, 9035424, 10164852, 13553136, 20329704, 27106272, 40659408, 81318816]

約数ペア:

[(1, 81318816), (2, 40659408), (3, 27106272), (4, 20329704), (6, 13553136), (8, 10164852), (9, 9035424), (12, 6776568), (16, 5082426), (18, 4517712), (24, 3388284), (27, 3011808), (32, 2541213), (36, 2258856), (48, 1694142), (54, 1505904), (72, 1129428), (81, 1003936), (96, 847071), (108, 752952), (137, 593568), (144, 564714), (162, 501968), (216, 376476), (229, 355104), (274, 296784), (288, 282357), (324, 250984), (411, 197856), (432, 188238), (458, 177552), (548, 148392), (648, 125492), (687, 118368), (822, 98928), (864, 94119), (916, 88776), (1096, 74196), (1233, 65952), (1296, 62746), (1374, 59184), (1644, 49464), (1832, 44388), (2061, 39456), (2192, 37098), (2466, 32976), (2592, 31373), (2748, 29592), (3288, 24732), (3664, 22194), (3699, 21984), (4122, 19728), (4384, 18549), (4932, 16488), (5496, 14796), (6183, 13152), (6576, 12366), (7328, 11097), (7398, 10992), (8244, 9864)]