91211680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{81439}}^1$

素因数の和:81461

約数の個数: 48

約数和(自身を含む): 246274560

約数和(自身を除く): 155062880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 81439, 162878, 325756, 407195, 570073, 651512, 814390, 1140146, 1303024, 1628780, 2280292, 2606048, 2850365, 3257560, 4560584, 5700730, 6515120, 9121168, 11401460, 13030240, 18242336, 22802920, 45605840, 91211680]

約数ペア:

[(1, 91211680), (2, 45605840), (4, 22802920), (5, 18242336), (7, 13030240), (8, 11401460), (10, 9121168), (14, 6515120), (16, 5700730), (20, 4560584), (28, 3257560), (32, 2850365), (35, 2606048), (40, 2280292), (56, 1628780), (70, 1303024), (80, 1140146), (112, 814390), (140, 651512), (160, 570073), (224, 407195), (280, 325756), (560, 162878), (1120, 81439)]