31053540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:817

約数の個数: 96

約数和(自身を含む): 100445184

約数和(自身を除く): 69391644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 420, 428, 535, 642, 691, 749, 1070, 1284, 1382, 1498, 1605, 2073, 2140, 2247, 2764, 2996, 3210, 3455, 3745, 4146, 4494, 4837, 6420, 6910, 7490, 8292, 8988, 9674, 10365, 11235, 13820, 14511, 14980, 19348, 20730, 22470, 24185, 29022, 41460, 44940, 48370, 58044, 72555, 73937, 96740, 145110, 147874, 221811, 290220, 295748, 369685, 443622, 517559, 739370, 887244, 1035118, 1109055, 1478740, 1552677, 2070236, 2218110, 2587795, 3105354, 4436220, 5175590, 6210708, 7763385, 10351180, 15526770, 31053540]

約数ペア:

[(1, 31053540), (2, 15526770), (3, 10351180), (4, 7763385), (5, 6210708), (6, 5175590), (7, 4436220), (10, 3105354), (12, 2587795), (14, 2218110), (15, 2070236), (20, 1552677), (21, 1478740), (28, 1109055), (30, 1035118), (35, 887244), (42, 739370), (60, 517559), (70, 443622), (84, 369685), (105, 295748), (107, 290220), (140, 221811), (210, 147874), (214, 145110), (321, 96740), (420, 73937), (428, 72555), (535, 58044), (642, 48370), (691, 44940), (749, 41460), (1070, 29022), (1284, 24185), (1382, 22470), (1498, 20730), (1605, 19348), (2073, 14980), (2140, 14511), (2247, 13820), (2764, 11235), (2996, 10365), (3210, 9674), (3455, 8988), (3745, 8292), (4146, 7490), (4494, 6910), (4837, 6420)]