68401760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 186338880

約数和(自身を除く): 117937120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 157, 160, 224, 280, 314, 389, 560, 628, 778, 785, 1099, 1120, 1256, 1556, 1570, 1945, 2198, 2512, 2723, 3112, 3140, 3890, 4396, 5024, 5446, 5495, 6224, 6280, 7780, 8792, 10892, 10990, 12448, 12560, 13615, 15560, 17584, 21784, 21980, 25120, 27230, 31120, 35168, 43568, 43960, 54460, 61073, 62240, 87136, 87920, 108920, 122146, 175840, 217840, 244292, 305365, 427511, 435680, 488584, 610730, 855022, 977168, 1221460, 1710044, 1954336, 2137555, 2442920, 3420088, 4275110, 4885840, 6840176, 8550220, 9771680, 13680352, 17100440, 34200880, 68401760]

約数ペア:

[(1, 68401760), (2, 34200880), (4, 17100440), (5, 13680352), (7, 9771680), (8, 8550220), (10, 6840176), (14, 4885840), (16, 4275110), (20, 3420088), (28, 2442920), (32, 2137555), (35, 1954336), (40, 1710044), (56, 1221460), (70, 977168), (80, 855022), (112, 610730), (140, 488584), (157, 435680), (160, 427511), (224, 305365), (280, 244292), (314, 217840), (389, 175840), (560, 122146), (628, 108920), (778, 87920), (785, 87136), (1099, 62240), (1120, 61073), (1256, 54460), (1556, 43960), (1570, 43568), (1945, 35168), (2198, 31120), (2512, 27230), (2723, 25120), (3112, 21980), (3140, 21784), (3890, 17584), (4396, 15560), (5024, 13615), (5446, 12560), (5495, 12448), (6224, 10990), (6280, 10892), (7780, 8792)]