68376640

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1361}}^1$

素因数の和:1535

約数の個数: 56

約数和(自身を含む): 163979352

約数和(自身を除く): 95602712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1361, 1570, 2512, 2722, 3140, 5024, 5444, 6280, 6805, 10048, 10888, 12560, 13610, 21776, 25120, 27220, 43552, 50240, 54440, 87104, 108880, 213677, 217760, 427354, 435520, 854708, 1068385, 1709416, 2136770, 3418832, 4273540, 6837664, 8547080, 13675328, 17094160, 34188320, 68376640]

約数ペア:

[(1, 68376640), (2, 34188320), (4, 17094160), (5, 13675328), (8, 8547080), (10, 6837664), (16, 4273540), (20, 3418832), (32, 2136770), (40, 1709416), (64, 1068385), (80, 854708), (157, 435520), (160, 427354), (314, 217760), (320, 213677), (628, 108880), (785, 87104), (1256, 54440), (1361, 50240), (1570, 43552), (2512, 27220), (2722, 25120), (3140, 21776), (5024, 13610), (5444, 12560), (6280, 10888), (6805, 10048)]