67765240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 88998920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 107, 142, 214, 223, 284, 355, 428, 446, 535, 568, 710, 856, 892, 1070, 1115, 1420, 1784, 2140, 2230, 2840, 4280, 4460, 7597, 8920, 15194, 15833, 23861, 30388, 31666, 37985, 47722, 60776, 63332, 75970, 79165, 95444, 119305, 126664, 151940, 158330, 190888, 238610, 303880, 316660, 477220, 633320, 954440, 1694131, 3388262, 6776524, 8470655, 13553048, 16941310, 33882620, 67765240]

約数ペア:

[(1, 67765240), (2, 33882620), (4, 16941310), (5, 13553048), (8, 8470655), (10, 6776524), (20, 3388262), (40, 1694131), (71, 954440), (107, 633320), (142, 477220), (214, 316660), (223, 303880), (284, 238610), (355, 190888), (428, 158330), (446, 151940), (535, 126664), (568, 119305), (710, 95444), (856, 79165), (892, 75970), (1070, 63332), (1115, 60776), (1420, 47722), (1784, 37985), (2140, 31666), (2230, 30388), (2840, 23861), (4280, 15833), (4460, 15194), (7597, 8920)]