68627840

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:859

約数の個数: 64

約数和(自身を含む): 165350160

約数和(自身を除く): 96722320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 628, 640, 683, 785, 1256, 1366, 1570, 2512, 2732, 3140, 3415, 5024, 5464, 6280, 6830, 10048, 10928, 12560, 13660, 20096, 21856, 25120, 27320, 43712, 50240, 54640, 87424, 100480, 107231, 109280, 214462, 218560, 428924, 437120, 536155, 857848, 1072310, 1715696, 2144620, 3431392, 4289240, 6862784, 8578480, 13725568, 17156960, 34313920, 68627840]

約数ペア:

[(1, 68627840), (2, 34313920), (4, 17156960), (5, 13725568), (8, 8578480), (10, 6862784), (16, 4289240), (20, 3431392), (32, 2144620), (40, 1715696), (64, 1072310), (80, 857848), (128, 536155), (157, 437120), (160, 428924), (314, 218560), (320, 214462), (628, 109280), (640, 107231), (683, 100480), (785, 87424), (1256, 54640), (1366, 50240), (1570, 43712), (2512, 27320), (2732, 25120), (3140, 21856), (3415, 20096), (5024, 13660), (5464, 12560), (6280, 10928), (6830, 10048)]