77977280

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3637}}^1$

素因数の和:3721

約数の個数: 56

約数和(自身を含む): 188506608

約数和(自身を除く): 110529328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2680, 3637, 4288, 5360, 7274, 10720, 14548, 18185, 21440, 29096, 36370, 58192, 72740, 116384, 145480, 232768, 243679, 290960, 487358, 581920, 974716, 1163840, 1218395, 1949432, 2436790, 3898864, 4873580, 7797728, 9747160, 15595456, 19494320, 38988640, 77977280]

約数ペア:

[(1, 77977280), (2, 38988640), (4, 19494320), (5, 15595456), (8, 9747160), (10, 7797728), (16, 4873580), (20, 3898864), (32, 2436790), (40, 1949432), (64, 1218395), (67, 1163840), (80, 974716), (134, 581920), (160, 487358), (268, 290960), (320, 243679), (335, 232768), (536, 145480), (670, 116384), (1072, 72740), (1340, 58192), (2144, 36370), (2680, 29096), (3637, 21440), (4288, 18185), (5360, 14548), (7274, 10720)]