78845840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:696

約数の個数: 80

約数和(自身を含む): 194237568

約数和(自身を除く): 115391728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 73, 80, 92, 115, 146, 184, 230, 292, 365, 368, 460, 584, 587, 730, 920, 1168, 1174, 1460, 1679, 1840, 2348, 2920, 2935, 3358, 4696, 5840, 5870, 6716, 8395, 9392, 11740, 13432, 13501, 16790, 23480, 26864, 27002, 33580, 42851, 46960, 54004, 67160, 67505, 85702, 108008, 134320, 135010, 171404, 214255, 216016, 270020, 342808, 428510, 540040, 685616, 857020, 985573, 1080080, 1714040, 1971146, 3428080, 3942292, 4927865, 7884584, 9855730, 15769168, 19711460, 39422920, 78845840]

約数ペア:

[(1, 78845840), (2, 39422920), (4, 19711460), (5, 15769168), (8, 9855730), (10, 7884584), (16, 4927865), (20, 3942292), (23, 3428080), (40, 1971146), (46, 1714040), (73, 1080080), (80, 985573), (92, 857020), (115, 685616), (146, 540040), (184, 428510), (230, 342808), (292, 270020), (365, 216016), (368, 214255), (460, 171404), (584, 135010), (587, 134320), (730, 108008), (920, 85702), (1168, 67505), (1174, 67160), (1460, 54004), (1679, 46960), (1840, 42851), (2348, 33580), (2920, 27002), (2935, 26864), (3358, 23480), (4696, 16790), (5840, 13501), (5870, 13432), (6716, 11740), (8395, 9392)]