8711220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2963}}^1$

素因数の和:2989

約数の個数: 72

約数和(自身を含む): 28383264

約数和(自身を除く): 19672044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 2963, 5926, 8889, 11852, 14815, 17778, 20741, 29630, 35556, 41482, 44445, 59260, 62223, 82964, 88890, 103705, 124446, 145187, 177780, 207410, 248892, 290374, 311115, 414820, 435561, 580748, 622230, 725935, 871122, 1244460, 1451870, 1742244, 2177805, 2903740, 4355610, 8711220]

約数ペア:

[(1, 8711220), (2, 4355610), (3, 2903740), (4, 2177805), (5, 1742244), (6, 1451870), (7, 1244460), (10, 871122), (12, 725935), (14, 622230), (15, 580748), (20, 435561), (21, 414820), (28, 311115), (30, 290374), (35, 248892), (42, 207410), (49, 177780), (60, 145187), (70, 124446), (84, 103705), (98, 88890), (105, 82964), (140, 62223), (147, 59260), (196, 44445), (210, 41482), (245, 35556), (294, 29630), (420, 20741), (490, 17778), (588, 14815), (735, 11852), (980, 8889), (1470, 5926), (2940, 2963)]