31387380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4889}}^1$

素因数の和:5008

約数の個数: 48

約数和(自身を含む): 88724160

約数和(自身を除く): 57336780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 4889, 6420, 9778, 14667, 19556, 24445, 29334, 48890, 58668, 73335, 97780, 146670, 293340, 523123, 1046246, 1569369, 2092492, 2615615, 3138738, 5231230, 6277476, 7846845, 10462460, 15693690, 31387380]

約数ペア:

[(1, 31387380), (2, 15693690), (3, 10462460), (4, 7846845), (5, 6277476), (6, 5231230), (10, 3138738), (12, 2615615), (15, 2092492), (20, 1569369), (30, 1046246), (60, 523123), (107, 293340), (214, 146670), (321, 97780), (428, 73335), (535, 58668), (642, 48890), (1070, 29334), (1284, 24445), (1605, 19556), (2140, 14667), (3210, 9778), (4889, 6420)]