663230720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27271}}^1$

素因数の和:27311

約数の個数: 72

約数和(自身を含む): 1672319040

約数和(自身を除く): 1009088320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 24320, 27271, 54542, 109084, 136355, 218168, 272710, 436336, 518149, 545420, 872672, 1036298, 1090840, 1745344, 2072596, 2181680, 2590745, 3490688, 4145192, 4363360, 5181490, 6981376, 8290384, 8726720, 10362980, 16580768, 17453440, 20725960, 33161536, 34906880, 41451920, 66323072, 82903840, 132646144, 165807680, 331615360, 663230720]

約数ペア:

[(1, 663230720), (2, 331615360), (4, 165807680), (5, 132646144), (8, 82903840), (10, 66323072), (16, 41451920), (19, 34906880), (20, 33161536), (32, 20725960), (38, 17453440), (40, 16580768), (64, 10362980), (76, 8726720), (80, 8290384), (95, 6981376), (128, 5181490), (152, 4363360), (160, 4145192), (190, 3490688), (256, 2590745), (304, 2181680), (320, 2072596), (380, 1745344), (608, 1090840), (640, 1036298), (760, 872672), (1216, 545420), (1280, 518149), (1520, 436336), (2432, 272710), (3040, 218168), (4864, 136355), (6080, 109084), (12160, 54542), (24320, 27271)]