81189216

素因数分解:

$2^5\times 3^5\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 245188944

約数和(自身を除く): 163999728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 72, 81, 96, 106, 108, 144, 159, 162, 197, 212, 216, 243, 288, 318, 324, 394, 424, 432, 477, 486, 591, 636, 648, 788, 848, 864, 954, 972, 1182, 1272, 1296, 1431, 1576, 1696, 1773, 1908, 1944, 2364, 2544, 2592, 2862, 3152, 3546, 3816, 3888, 4293, 4728, 5088, 5319, 5724, 6304, 7092, 7632, 7776, 8586, 9456, 10441, 10638, 11448, 12879, 14184, 15264, 15957, 17172, 18912, 20882, 21276, 22896, 25758, 28368, 31323, 31914, 34344, 41764, 42552, 45792, 47871, 51516, 56736, 62646, 63828, 68688, 83528, 85104, 93969, 95742, 103032, 125292, 127656, 137376, 167056, 170208, 187938, 191484, 206064, 250584, 255312, 281907, 334112, 375876, 382968, 412128, 501168, 510624, 563814, 751752, 765936, 845721, 1002336, 1127628, 1503504, 1531872, 1691442, 2255256, 2537163, 3007008, 3382884, 4510512, 5074326, 6765768, 9021024, 10148652, 13531536, 20297304, 27063072, 40594608, 81189216]

約数ペア:

[(1, 81189216), (2, 40594608), (3, 27063072), (4, 20297304), (6, 13531536), (8, 10148652), (9, 9021024), (12, 6765768), (16, 5074326), (18, 4510512), (24, 3382884), (27, 3007008), (32, 2537163), (36, 2255256), (48, 1691442), (53, 1531872), (54, 1503504), (72, 1127628), (81, 1002336), (96, 845721), (106, 765936), (108, 751752), (144, 563814), (159, 510624), (162, 501168), (197, 412128), (212, 382968), (216, 375876), (243, 334112), (288, 281907), (318, 255312), (324, 250584), (394, 206064), (424, 191484), (432, 187938), (477, 170208), (486, 167056), (591, 137376), (636, 127656), (648, 125292), (788, 103032), (848, 95742), (864, 93969), (954, 85104), (972, 83528), (1182, 68688), (1272, 63828), (1296, 62646), (1431, 56736), (1576, 51516), (1696, 47871), (1773, 45792), (1908, 42552), (1944, 41764), (2364, 34344), (2544, 31914), (2592, 31323), (2862, 28368), (3152, 25758), (3546, 22896), (3816, 21276), (3888, 20882), (4293, 18912), (4728, 17172), (5088, 15957), (5319, 15264), (5724, 14184), (6304, 12879), (7092, 11448), (7632, 10638), (7776, 10441), (8586, 9456)]