81439344

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 200

約数和(自身を含む): 276553728

約数和(自身を除く): 195114384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 47, 48, 54, 56, 63, 72, 81, 84, 94, 108, 112, 126, 141, 144, 162, 168, 188, 189, 191, 216, 252, 282, 324, 329, 336, 376, 378, 382, 423, 432, 504, 564, 567, 573, 648, 658, 752, 756, 764, 846, 987, 1008, 1128, 1134, 1146, 1269, 1296, 1316, 1337, 1512, 1528, 1692, 1719, 1974, 2256, 2268, 2292, 2538, 2632, 2674, 2961, 3024, 3056, 3384, 3438, 3807, 3948, 4011, 4536, 4584, 5076, 5157, 5264, 5348, 5922, 6768, 6876, 7614, 7896, 8022, 8883, 8977, 9072, 9168, 10152, 10314, 10696, 11844, 12033, 13752, 15228, 15471, 15792, 16044, 17766, 17954, 20304, 20628, 21392, 23688, 24066, 26649, 26931, 27504, 30456, 30942, 32088, 35532, 35908, 36099, 41256, 47376, 48132, 53298, 53862, 60912, 61884, 62839, 64176, 71064, 71816, 72198, 80793, 82512, 96264, 106596, 107724, 108297, 123768, 125678, 142128, 143632, 144396, 161586, 188517, 192528, 213192, 215448, 216594, 242379, 247536, 251356, 288792, 323172, 377034, 426384, 430896, 433188, 484758, 502712, 565551, 577584, 646344, 727137, 754068, 866376, 969516, 1005424, 1131102, 1292688, 1454274, 1508136, 1696653, 1732752, 1939032, 2262204, 2908548, 3016272, 3393306, 3878064, 4524408, 5089959, 5817096, 6786612, 9048816, 10179918, 11634192, 13573224, 20359836, 27146448, 40719672, 81439344]

約数ペア:

[(1, 81439344), (2, 40719672), (3, 27146448), (4, 20359836), (6, 13573224), (7, 11634192), (8, 10179918), (9, 9048816), (12, 6786612), (14, 5817096), (16, 5089959), (18, 4524408), (21, 3878064), (24, 3393306), (27, 3016272), (28, 2908548), (36, 2262204), (42, 1939032), (47, 1732752), (48, 1696653), (54, 1508136), (56, 1454274), (63, 1292688), (72, 1131102), (81, 1005424), (84, 969516), (94, 866376), (108, 754068), (112, 727137), (126, 646344), (141, 577584), (144, 565551), (162, 502712), (168, 484758), (188, 433188), (189, 430896), (191, 426384), (216, 377034), (252, 323172), (282, 288792), (324, 251356), (329, 247536), (336, 242379), (376, 216594), (378, 215448), (382, 213192), (423, 192528), (432, 188517), (504, 161586), (564, 144396), (567, 143632), (573, 142128), (648, 125678), (658, 123768), (752, 108297), (756, 107724), (764, 106596), (846, 96264), (987, 82512), (1008, 80793), (1128, 72198), (1134, 71816), (1146, 71064), (1269, 64176), (1296, 62839), (1316, 61884), (1337, 60912), (1512, 53862), (1528, 53298), (1692, 48132), (1719, 47376), (1974, 41256), (2256, 36099), (2268, 35908), (2292, 35532), (2538, 32088), (2632, 30942), (2674, 30456), (2961, 27504), (3024, 26931), (3056, 26649), (3384, 24066), (3438, 23688), (3807, 21392), (3948, 20628), (4011, 20304), (4536, 17954), (4584, 17766), (5076, 16044), (5157, 15792), (5264, 15471), (5348, 15228), (5922, 13752), (6768, 12033), (6876, 11844), (7614, 10696), (7896, 10314), (8022, 10152), (8883, 9168), (8977, 9072)]