123228560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16927}}^1$

素因数の和:16960

約数の個数: 80

約数和(自身を含む): 352644096

約数和(自身を除く): 229415536

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 16927, 33854, 67708, 84635, 118489, 135416, 169270, 220051, 236978, 270832, 338540, 440102, 473956, 592445, 677080, 880204, 947912, 1100255, 1184890, 1354160, 1540357, 1760408, 1895824, 2200510, 2369780, 3080714, 3520816, 4401020, 4739560, 6161428, 7701785, 8802040, 9479120, 12322856, 15403570, 17604080, 24645712, 30807140, 61614280, 123228560]

約数ペア:

[(1, 123228560), (2, 61614280), (4, 30807140), (5, 24645712), (7, 17604080), (8, 15403570), (10, 12322856), (13, 9479120), (14, 8802040), (16, 7701785), (20, 6161428), (26, 4739560), (28, 4401020), (35, 3520816), (40, 3080714), (52, 2369780), (56, 2200510), (65, 1895824), (70, 1760408), (80, 1540357), (91, 1354160), (104, 1184890), (112, 1100255), (130, 947912), (140, 880204), (182, 677080), (208, 592445), (260, 473956), (280, 440102), (364, 338540), (455, 270832), (520, 236978), (560, 220051), (728, 169270), (910, 135416), (1040, 118489), (1456, 84635), (1820, 67708), (3640, 33854), (7280, 16927)]