127461760

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2521}}^1$

素因数の和:2619

約数の個数: 64

約数和(自身を含む): 308692800

約数和(自身を除く): 181231040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 2521, 2528, 3160, 5042, 5056, 6320, 10084, 10112, 12605, 12640, 20168, 25210, 25280, 40336, 50420, 50560, 80672, 100840, 161344, 199159, 201680, 322688, 398318, 403360, 796636, 806720, 995795, 1593272, 1613440, 1991590, 3186544, 3983180, 6373088, 7966360, 12746176, 15932720, 25492352, 31865440, 63730880, 127461760]

約数ペア:

[(1, 127461760), (2, 63730880), (4, 31865440), (5, 25492352), (8, 15932720), (10, 12746176), (16, 7966360), (20, 6373088), (32, 3983180), (40, 3186544), (64, 1991590), (79, 1613440), (80, 1593272), (128, 995795), (158, 806720), (160, 796636), (316, 403360), (320, 398318), (395, 322688), (632, 201680), (640, 199159), (790, 161344), (1264, 100840), (1580, 80672), (2521, 50560), (2528, 50420), (3160, 40336), (5042, 25280), (5056, 25210), (6320, 20168), (10084, 12640), (10112, 12605)]