207270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{47}}^1$

素因数の和:74

約数の個数: 72

約数和(自身を含む): 640224

約数和(自身を除く): 432954

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 47, 49, 63, 70, 90, 94, 98, 105, 126, 141, 147, 210, 235, 245, 282, 294, 315, 329, 423, 441, 470, 490, 630, 658, 705, 735, 846, 882, 987, 1410, 1470, 1645, 1974, 2115, 2205, 2303, 2961, 3290, 4230, 4410, 4606, 4935, 5922, 6909, 9870, 11515, 13818, 14805, 20727, 23030, 29610, 34545, 41454, 69090, 103635, 207270]

約数ペア:

[(1, 207270), (2, 103635), (3, 69090), (5, 41454), (6, 34545), (7, 29610), (9, 23030), (10, 20727), (14, 14805), (15, 13818), (18, 11515), (21, 9870), (30, 6909), (35, 5922), (42, 4935), (45, 4606), (47, 4410), (49, 4230), (63, 3290), (70, 2961), (90, 2303), (94, 2205), (98, 2115), (105, 1974), (126, 1645), (141, 1470), (147, 1410), (210, 987), (235, 882), (245, 846), (282, 735), (294, 705), (315, 658), (329, 630), (423, 490), (441, 470)]