81589872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18679}}^1$

素因数の和:18710

約数の個数: 80

約数和(自身を含む): 259427840

約数和(自身を除く): 177837968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 18679, 37358, 56037, 74716, 112074, 130753, 149432, 224148, 242827, 261506, 298864, 392259, 448296, 485654, 523012, 728481, 784518, 896592, 971308, 1046024, 1456962, 1569036, 1699789, 1942616, 2092048, 2913924, 3138072, 3399578, 3885232, 5099367, 5827848, 6276144, 6799156, 10198734, 11655696, 13598312, 20397468, 27196624, 40794936, 81589872]

約数ペア:

[(1, 81589872), (2, 40794936), (3, 27196624), (4, 20397468), (6, 13598312), (7, 11655696), (8, 10198734), (12, 6799156), (13, 6276144), (14, 5827848), (16, 5099367), (21, 3885232), (24, 3399578), (26, 3138072), (28, 2913924), (39, 2092048), (42, 1942616), (48, 1699789), (52, 1569036), (56, 1456962), (78, 1046024), (84, 971308), (91, 896592), (104, 784518), (112, 728481), (156, 523012), (168, 485654), (182, 448296), (208, 392259), (273, 298864), (312, 261506), (336, 242827), (364, 224148), (546, 149432), (624, 130753), (728, 112074), (1092, 74716), (1456, 56037), (2184, 37358), (4368, 18679)]