81377328

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 218021760

約数和(自身を除く): 136644432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 89, 129, 172, 178, 258, 267, 344, 356, 443, 516, 534, 688, 712, 886, 1032, 1068, 1329, 1424, 1772, 2064, 2136, 2658, 3544, 3827, 4272, 5316, 7088, 7654, 10632, 11481, 15308, 19049, 21264, 22962, 30616, 38098, 39427, 45924, 57147, 61232, 76196, 78854, 91848, 114294, 118281, 152392, 157708, 183696, 228588, 236562, 304784, 315416, 457176, 473124, 630832, 914352, 946248, 1695361, 1892496, 3390722, 5086083, 6781444, 10172166, 13562888, 20344332, 27125776, 40688664, 81377328]

約数ペア:

[(1, 81377328), (2, 40688664), (3, 27125776), (4, 20344332), (6, 13562888), (8, 10172166), (12, 6781444), (16, 5086083), (24, 3390722), (43, 1892496), (48, 1695361), (86, 946248), (89, 914352), (129, 630832), (172, 473124), (178, 457176), (258, 315416), (267, 304784), (344, 236562), (356, 228588), (443, 183696), (516, 157708), (534, 152392), (688, 118281), (712, 114294), (886, 91848), (1032, 78854), (1068, 76196), (1329, 61232), (1424, 57147), (1772, 45924), (2064, 39427), (2136, 38098), (2658, 30616), (3544, 22962), (3827, 21264), (4272, 19049), (5316, 15308), (7088, 11481), (7654, 10632)]