18329580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 56347200

約数和(自身を除く): 38017620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1289, 1422, 1580, 2370, 2578, 2844, 3555, 3867, 4740, 5156, 6445, 7110, 7734, 11601, 12890, 14220, 15468, 19335, 23202, 25780, 38670, 46404, 58005, 77340, 101831, 116010, 203662, 232020, 305493, 407324, 509155, 610986, 916479, 1018310, 1221972, 1527465, 1832958, 2036620, 3054930, 3665916, 4582395, 6109860, 9164790, 18329580]

約数ペア:

[(1, 18329580), (2, 9164790), (3, 6109860), (4, 4582395), (5, 3665916), (6, 3054930), (9, 2036620), (10, 1832958), (12, 1527465), (15, 1221972), (18, 1018310), (20, 916479), (30, 610986), (36, 509155), (45, 407324), (60, 305493), (79, 232020), (90, 203662), (158, 116010), (180, 101831), (237, 77340), (316, 58005), (395, 46404), (474, 38670), (711, 25780), (790, 23202), (948, 19335), (1185, 15468), (1289, 14220), (1422, 12890), (1580, 11601), (2370, 7734), (2578, 7110), (2844, 6445), (3555, 5156), (3867, 4740)]