161229040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2267}}^1$

素因数の和:2414

約数の個数: 80

約数和(自身を含む): 431972352

約数和(自身を除く): 270743312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2267, 2540, 3556, 4445, 4534, 5080, 7112, 8890, 9068, 10160, 11335, 14224, 15869, 17780, 18136, 22670, 31738, 35560, 36272, 45340, 63476, 71120, 79345, 90680, 126952, 158690, 181360, 253904, 287909, 317380, 575818, 634760, 1151636, 1269520, 1439545, 2015363, 2303272, 2879090, 4030726, 4606544, 5758180, 8061452, 10076815, 11516360, 16122904, 20153630, 23032720, 32245808, 40307260, 80614520, 161229040]

約数ペア:

[(1, 161229040), (2, 80614520), (4, 40307260), (5, 32245808), (7, 23032720), (8, 20153630), (10, 16122904), (14, 11516360), (16, 10076815), (20, 8061452), (28, 5758180), (35, 4606544), (40, 4030726), (56, 2879090), (70, 2303272), (80, 2015363), (112, 1439545), (127, 1269520), (140, 1151636), (254, 634760), (280, 575818), (508, 317380), (560, 287909), (635, 253904), (889, 181360), (1016, 158690), (1270, 126952), (1778, 90680), (2032, 79345), (2267, 71120), (2540, 63476), (3556, 45340), (4445, 36272), (4534, 35560), (5080, 31738), (7112, 22670), (8890, 18136), (9068, 17780), (10160, 15869), (11335, 14224)]