2720488575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{569}}^1\times {\mathrm{1301}}^1$

素因数の和:1897

約数の個数: 72

約数和(自身を含む): 5245445520

約数和(自身を除く): 2524956945

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 569, 735, 1225, 1301, 1707, 2845, 3675, 3903, 3983, 6505, 8535, 9107, 11949, 14225, 19515, 19915, 27321, 27881, 32525, 42675, 45535, 59745, 63749, 83643, 97575, 99575, 136605, 139405, 191247, 227675, 298725, 318745, 418215, 683025, 697025, 740269, 956235, 1593725, 2091075, 2220807, 3701345, 4781175, 5181883, 11104035, 15545649, 18506725, 25909415, 36273181, 55520175, 77728245, 108819543, 129547075, 181365905, 388641225, 544097715, 906829525, 2720488575]

約数ペア:

[(1, 2720488575), (3, 906829525), (5, 544097715), (7, 388641225), (15, 181365905), (21, 129547075), (25, 108819543), (35, 77728245), (49, 55520175), (75, 36273181), (105, 25909415), (147, 18506725), (175, 15545649), (245, 11104035), (525, 5181883), (569, 4781175), (735, 3701345), (1225, 2220807), (1301, 2091075), (1707, 1593725), (2845, 956235), (3675, 740269), (3903, 697025), (3983, 683025), (6505, 418215), (8535, 318745), (9107, 298725), (11949, 227675), (14225, 191247), (19515, 139405), (19915, 136605), (27321, 99575), (27881, 97575), (32525, 83643), (42675, 63749), (45535, 59745)]