56815740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{315643}}^1$

素因数の和:315658

約数の個数: 36

約数和(自身を含む): 172341624

約数和(自身を除く): 115525884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 315643, 631286, 946929, 1262572, 1578215, 1893858, 2840787, 3156430, 3787716, 4734645, 5681574, 6312860, 9469290, 11363148, 14203935, 18938580, 28407870, 56815740]

約数ペア:

[(1, 56815740), (2, 28407870), (3, 18938580), (4, 14203935), (5, 11363148), (6, 9469290), (9, 6312860), (10, 5681574), (12, 4734645), (15, 3787716), (18, 3156430), (20, 2840787), (30, 1893858), (36, 1578215), (45, 1262572), (60, 946929), (90, 631286), (180, 315643)]