30551340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{787}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 85784832

約数和(自身を除く): 55233492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 787, 1294, 1574, 1941, 2361, 2588, 3148, 3235, 3882, 3935, 4722, 6470, 7764, 7870, 9444, 9705, 11805, 12940, 15740, 19410, 23610, 38820, 47220, 509189, 1018378, 1527567, 2036756, 2545945, 3055134, 5091890, 6110268, 7637835, 10183780, 15275670, 30551340]

約数ペア:

[(1, 30551340), (2, 15275670), (3, 10183780), (4, 7637835), (5, 6110268), (6, 5091890), (10, 3055134), (12, 2545945), (15, 2036756), (20, 1527567), (30, 1018378), (60, 509189), (647, 47220), (787, 38820), (1294, 23610), (1574, 19410), (1941, 15740), (2361, 12940), (2588, 11805), (3148, 9705), (3235, 9444), (3882, 7870), (3935, 7764), (4722, 6470)]