81668736

素因数分解:

$2^7\times 3^4\times {\mathrm{7877}}^1$

素因数の和:7903

約数の個数: 80

約数和(自身を含む): 243075690

約数和(自身を除く): 161406954

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 7877, 10368, 15754, 23631, 31508, 47262, 63016, 70893, 94524, 126032, 141786, 189048, 212679, 252064, 283572, 378096, 425358, 504128, 567144, 638037, 756192, 850716, 1008256, 1134288, 1276074, 1512384, 1701432, 2268576, 2552148, 3024768, 3402864, 4537152, 5104296, 6805728, 9074304, 10208592, 13611456, 20417184, 27222912, 40834368, 81668736]

約数ペア:

[(1, 81668736), (2, 40834368), (3, 27222912), (4, 20417184), (6, 13611456), (8, 10208592), (9, 9074304), (12, 6805728), (16, 5104296), (18, 4537152), (24, 3402864), (27, 3024768), (32, 2552148), (36, 2268576), (48, 1701432), (54, 1512384), (64, 1276074), (72, 1134288), (81, 1008256), (96, 850716), (108, 756192), (128, 638037), (144, 567144), (162, 504128), (192, 425358), (216, 378096), (288, 283572), (324, 252064), (384, 212679), (432, 189048), (576, 141786), (648, 126032), (864, 94524), (1152, 70893), (1296, 63016), (1728, 47262), (2592, 31508), (3456, 23631), (5184, 15754), (7877, 10368)]