318202740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7043}}^1$

素因数の和:7309

約数の個数: 72

約数和(自身を含む): 969198048

約数和(自身を除く): 650995308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 7043, 7530, 9036, 11295, 14086, 15060, 21129, 22590, 28172, 35215, 42258, 45180, 63387, 70430, 84516, 105645, 126774, 140860, 211290, 253548, 316935, 422580, 633870, 1267740, 1767793, 3535586, 5303379, 7071172, 8838965, 10606758, 15910137, 17677930, 21213516, 26516895, 31820274, 35355860, 53033790, 63640548, 79550685, 106067580, 159101370, 318202740]

約数ペア:

[(1, 318202740), (2, 159101370), (3, 106067580), (4, 79550685), (5, 63640548), (6, 53033790), (9, 35355860), (10, 31820274), (12, 26516895), (15, 21213516), (18, 17677930), (20, 15910137), (30, 10606758), (36, 8838965), (45, 7071172), (60, 5303379), (90, 3535586), (180, 1767793), (251, 1267740), (502, 633870), (753, 422580), (1004, 316935), (1255, 253548), (1506, 211290), (2259, 140860), (2510, 126774), (3012, 105645), (3765, 84516), (4518, 70430), (5020, 63387), (7043, 45180), (7530, 42258), (9036, 35215), (11295, 28172), (14086, 22590), (15060, 21129)]