2577880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 6189120

約数和(自身を除く): 3611240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 223, 289, 340, 446, 578, 680, 892, 1115, 1156, 1445, 1784, 2230, 2312, 2890, 3791, 4460, 5780, 7582, 8920, 11560, 15164, 18955, 30328, 37910, 64447, 75820, 128894, 151640, 257788, 322235, 515576, 644470, 1288940, 2577880]

約数ペア:

[(1, 2577880), (2, 1288940), (4, 644470), (5, 515576), (8, 322235), (10, 257788), (17, 151640), (20, 128894), (34, 75820), (40, 64447), (68, 37910), (85, 30328), (136, 18955), (170, 15164), (223, 11560), (289, 8920), (340, 7582), (446, 5780), (578, 4460), (680, 3791), (892, 2890), (1115, 2312), (1156, 2230), (1445, 1784)]