68607280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1334

約数の個数: 80

約数和(自身を含む): 184256064

約数和(自身を除く): 115648784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1213, 1414, 1616, 2020, 2426, 2828, 3535, 4040, 4852, 5656, 6065, 7070, 8080, 8491, 9704, 11312, 12130, 14140, 16982, 19408, 24260, 28280, 33964, 42455, 48520, 56560, 67928, 84910, 97040, 122513, 135856, 169820, 245026, 339640, 490052, 612565, 679280, 857591, 980104, 1225130, 1715182, 1960208, 2450260, 3430364, 4287955, 4900520, 6860728, 8575910, 9801040, 13721456, 17151820, 34303640, 68607280]

約数ペア:

[(1, 68607280), (2, 34303640), (4, 17151820), (5, 13721456), (7, 9801040), (8, 8575910), (10, 6860728), (14, 4900520), (16, 4287955), (20, 3430364), (28, 2450260), (35, 1960208), (40, 1715182), (56, 1225130), (70, 980104), (80, 857591), (101, 679280), (112, 612565), (140, 490052), (202, 339640), (280, 245026), (404, 169820), (505, 135856), (560, 122513), (707, 97040), (808, 84910), (1010, 67928), (1213, 56560), (1414, 48520), (1616, 42455), (2020, 33964), (2426, 28280), (2828, 24260), (3535, 19408), (4040, 16982), (4852, 14140), (5656, 12130), (6065, 11312), (7070, 9704), (8080, 8491)]