725086720

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16661}}^1$

素因数の和:16701

約数の個数: 80

約数和(自身を含む): 1840884408

約数和(自身を除く): 1115797688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 4352, 5440, 8704, 10880, 16661, 21760, 33322, 43520, 66644, 83305, 133288, 166610, 266576, 283237, 333220, 533152, 566474, 666440, 1066304, 1132948, 1332880, 1416185, 2132608, 2265896, 2665760, 2832370, 4265216, 4531792, 5331520, 5664740, 8530432, 9063584, 10663040, 11329480, 18127168, 21326080, 22658960, 36254336, 42652160, 45317920, 72508672, 90635840, 145017344, 181271680, 362543360, 725086720]

約数ペア:

[(1, 725086720), (2, 362543360), (4, 181271680), (5, 145017344), (8, 90635840), (10, 72508672), (16, 45317920), (17, 42652160), (20, 36254336), (32, 22658960), (34, 21326080), (40, 18127168), (64, 11329480), (68, 10663040), (80, 9063584), (85, 8530432), (128, 5664740), (136, 5331520), (160, 4531792), (170, 4265216), (256, 2832370), (272, 2665760), (320, 2265896), (340, 2132608), (512, 1416185), (544, 1332880), (640, 1132948), (680, 1066304), (1088, 666440), (1280, 566474), (1360, 533152), (2176, 333220), (2560, 283237), (2720, 266576), (4352, 166610), (5440, 133288), (8704, 83305), (10880, 66644), (16661, 43520), (21760, 33322)]