81533256

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 258552000

約数和(自身を除く): 177018744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 41, 42, 49, 56, 57, 76, 82, 84, 89, 98, 114, 123, 133, 147, 152, 164, 168, 178, 196, 228, 246, 266, 267, 287, 294, 328, 356, 392, 399, 456, 492, 532, 534, 574, 588, 623, 712, 779, 798, 861, 931, 984, 1064, 1068, 1148, 1176, 1246, 1558, 1596, 1691, 1722, 1862, 1869, 2009, 2136, 2296, 2337, 2492, 2793, 3116, 3192, 3382, 3444, 3649, 3724, 3738, 4018, 4361, 4674, 4984, 5073, 5453, 5586, 6027, 6232, 6764, 6888, 7298, 7448, 7476, 8036, 8722, 9348, 10146, 10906, 10947, 11172, 11837, 12054, 13083, 13528, 14596, 14952, 16072, 16359, 17444, 18696, 20292, 21812, 21894, 22344, 23674, 24108, 25543, 26166, 29192, 32718, 34888, 35511, 38171, 40584, 43624, 43788, 47348, 48216, 51086, 52332, 65436, 69331, 71022, 76342, 76629, 82859, 87576, 94696, 102172, 104664, 114513, 130872, 138662, 142044, 152684, 153258, 165718, 178801, 204344, 207993, 229026, 248577, 277324, 284088, 305368, 306516, 331436, 357602, 415986, 458052, 485317, 497154, 536403, 554648, 613032, 662872, 715204, 831972, 916104, 970634, 994308, 1072806, 1430408, 1455951, 1663944, 1941268, 1988616, 2145612, 2911902, 3397219, 3882536, 4291224, 5823804, 6794438, 10191657, 11647608, 13588876, 20383314, 27177752, 40766628, 81533256]

約数ペア:

[(1, 81533256), (2, 40766628), (3, 27177752), (4, 20383314), (6, 13588876), (7, 11647608), (8, 10191657), (12, 6794438), (14, 5823804), (19, 4291224), (21, 3882536), (24, 3397219), (28, 2911902), (38, 2145612), (41, 1988616), (42, 1941268), (49, 1663944), (56, 1455951), (57, 1430408), (76, 1072806), (82, 994308), (84, 970634), (89, 916104), (98, 831972), (114, 715204), (123, 662872), (133, 613032), (147, 554648), (152, 536403), (164, 497154), (168, 485317), (178, 458052), (196, 415986), (228, 357602), (246, 331436), (266, 306516), (267, 305368), (287, 284088), (294, 277324), (328, 248577), (356, 229026), (392, 207993), (399, 204344), (456, 178801), (492, 165718), (532, 153258), (534, 152684), (574, 142044), (588, 138662), (623, 130872), (712, 114513), (779, 104664), (798, 102172), (861, 94696), (931, 87576), (984, 82859), (1064, 76629), (1068, 76342), (1148, 71022), (1176, 69331), (1246, 65436), (1558, 52332), (1596, 51086), (1691, 48216), (1722, 47348), (1862, 43788), (1869, 43624), (2009, 40584), (2136, 38171), (2296, 35511), (2337, 34888), (2492, 32718), (2793, 29192), (3116, 26166), (3192, 25543), (3382, 24108), (3444, 23674), (3649, 22344), (3724, 21894), (3738, 21812), (4018, 20292), (4361, 18696), (4674, 17444), (4984, 16359), (5073, 16072), (5453, 14952), (5586, 14596), (6027, 13528), (6232, 13083), (6764, 12054), (6888, 11837), (7298, 11172), (7448, 10947), (7476, 10906), (8036, 10146), (8722, 9348)]