201620705475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1213}}^1\times {\mathrm{1459}}^1$

素因数の和:2730

約数の個数: 144

約数和(自身を含む): 400883389440

約数和(自身を除く): 199262683965

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 49, 75, 93, 105, 147, 155, 175, 217, 245, 465, 525, 651, 735, 775, 1085, 1213, 1225, 1459, 1519, 2325, 3255, 3639, 3675, 4377, 4557, 5425, 6065, 7295, 7595, 8491, 10213, 16275, 18195, 21885, 22785, 25473, 30325, 30639, 36475, 37603, 37975, 42455, 45229, 51065, 59437, 71491, 90975, 109425, 112809, 113925, 127365, 135687, 153195, 178311, 188015, 212275, 214473, 226145, 255325, 263221, 297185, 316603, 357455, 564045, 636825, 678435, 765975, 789663, 891555, 940075, 949809, 1072365, 1130725, 1316105, 1485925, 1583015, 1769767, 1787275, 1842547, 2216221, 2820225, 3392175, 3948315, 4457775, 4749045, 5309301, 5361825, 5527641, 6580525, 6648663, 7915075, 8848835, 9212735, 11081105, 12388369, 19741575, 23745225, 26546505, 27638205, 33243315, 37165107, 44244175, 46063675, 54862777, 55405525, 61941845, 86718583, 132732525, 138191025, 164588331, 166216575, 185825535, 260155749, 274313885, 309709225, 384039439, 433592915, 822941655, 929127675, 1152118317, 1300778745, 1371569425, 1920197195, 2167964575, 2688276073, 4114708275, 5760591585, 6503893725, 8064828219, 9600985975, 13441380365, 28802957925, 40324141095, 67206901825, 201620705475]

約数ペア:

[(1, 201620705475), (3, 67206901825), (5, 40324141095), (7, 28802957925), (15, 13441380365), (21, 9600985975), (25, 8064828219), (31, 6503893725), (35, 5760591585), (49, 4114708275), (75, 2688276073), (93, 2167964575), (105, 1920197195), (147, 1371569425), (155, 1300778745), (175, 1152118317), (217, 929127675), (245, 822941655), (465, 433592915), (525, 384039439), (651, 309709225), (735, 274313885), (775, 260155749), (1085, 185825535), (1213, 166216575), (1225, 164588331), (1459, 138191025), (1519, 132732525), (2325, 86718583), (3255, 61941845), (3639, 55405525), (3675, 54862777), (4377, 46063675), (4557, 44244175), (5425, 37165107), (6065, 33243315), (7295, 27638205), (7595, 26546505), (8491, 23745225), (10213, 19741575), (16275, 12388369), (18195, 11081105), (21885, 9212735), (22785, 8848835), (25473, 7915075), (30325, 6648663), (30639, 6580525), (36475, 5527641), (37603, 5361825), (37975, 5309301), (42455, 4749045), (45229, 4457775), (51065, 3948315), (59437, 3392175), (71491, 2820225), (90975, 2216221), (109425, 1842547), (112809, 1787275), (113925, 1769767), (127365, 1583015), (135687, 1485925), (153195, 1316105), (178311, 1130725), (188015, 1072365), (212275, 949809), (214473, 940075), (226145, 891555), (255325, 789663), (263221, 765975), (297185, 678435), (316603, 636825), (357455, 564045)]