71218880

素因数分解:

$2^6\times 5^1\times {\mathrm{457}}^1\times {\mathrm{487}}^1$

素因数の和:961

約数の個数: 56

約数和(自身を含む): 170310048

約数和(自身を除く): 99091168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 457, 487, 914, 974, 1828, 1948, 2285, 2435, 3656, 3896, 4570, 4870, 7312, 7792, 9140, 9740, 14624, 15584, 18280, 19480, 29248, 31168, 36560, 38960, 73120, 77920, 146240, 155840, 222559, 445118, 890236, 1112795, 1780472, 2225590, 3560944, 4451180, 7121888, 8902360, 14243776, 17804720, 35609440, 71218880]

約数ペア:

[(1, 71218880), (2, 35609440), (4, 17804720), (5, 14243776), (8, 8902360), (10, 7121888), (16, 4451180), (20, 3560944), (32, 2225590), (40, 1780472), (64, 1112795), (80, 890236), (160, 445118), (320, 222559), (457, 155840), (487, 146240), (914, 77920), (974, 73120), (1828, 38960), (1948, 36560), (2285, 31168), (2435, 29248), (3656, 19480), (3896, 18280), (4570, 15584), (4870, 14624), (7312, 9740), (7792, 9140)]