31721130

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{7193}}^1$

素因数の和:7220

約数の個数: 72

約数和(自身を含む): 95953572

約数和(自身を除く): 64232442

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 7193, 14386, 21579, 35965, 43158, 50351, 64737, 71930, 100702, 107895, 129474, 151053, 215790, 251755, 302106, 323685, 352457, 453159, 503510, 647370, 704914, 755265, 906318, 1057371, 1510530, 1762285, 2114742, 2265795, 3172113, 3524570, 4531590, 5286855, 6344226, 10573710, 15860565, 31721130]

約数ペア:

[(1, 31721130), (2, 15860565), (3, 10573710), (5, 6344226), (6, 5286855), (7, 4531590), (9, 3524570), (10, 3172113), (14, 2265795), (15, 2114742), (18, 1762285), (21, 1510530), (30, 1057371), (35, 906318), (42, 755265), (45, 704914), (49, 647370), (63, 503510), (70, 453159), (90, 352457), (98, 323685), (105, 302106), (126, 251755), (147, 215790), (210, 151053), (245, 129474), (294, 107895), (315, 100702), (441, 71930), (490, 64737), (630, 50351), (735, 43158), (882, 35965), (1470, 21579), (2205, 14386), (4410, 7193)]