68019040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1471}}^1$

素因数の和:1520

約数の個数: 72

約数和(自身を含む): 170819712

約数和(自身を除く): 102800672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 1471, 2312, 2720, 2890, 2942, 4624, 5780, 5884, 7355, 9248, 11560, 11768, 14710, 23120, 23536, 25007, 29420, 46240, 47072, 50014, 58840, 100028, 117680, 125035, 200056, 235360, 250070, 400112, 425119, 500140, 800224, 850238, 1000280, 1700476, 2000560, 2125595, 3400952, 4001120, 4251190, 6801904, 8502380, 13603808, 17004760, 34009520, 68019040]

約数ペア:

[(1, 68019040), (2, 34009520), (4, 17004760), (5, 13603808), (8, 8502380), (10, 6801904), (16, 4251190), (17, 4001120), (20, 3400952), (32, 2125595), (34, 2000560), (40, 1700476), (68, 1000280), (80, 850238), (85, 800224), (136, 500140), (160, 425119), (170, 400112), (272, 250070), (289, 235360), (340, 200056), (544, 125035), (578, 117680), (680, 100028), (1156, 58840), (1360, 50014), (1445, 47072), (1471, 46240), (2312, 29420), (2720, 25007), (2890, 23536), (2942, 23120), (4624, 14710), (5780, 11768), (5884, 11560), (7355, 9248)]