68681600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 185166720

約数和(自身を除く): 116485120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 127, 128, 130, 160, 169, 200, 208, 254, 260, 320, 325, 338, 400, 416, 508, 520, 635, 640, 650, 676, 800, 832, 845, 1016, 1040, 1270, 1300, 1352, 1600, 1651, 1664, 1690, 2032, 2080, 2540, 2600, 2704, 3175, 3200, 3302, 3380, 4064, 4160, 4225, 5080, 5200, 5408, 6350, 6604, 6760, 8128, 8255, 8320, 8450, 10160, 10400, 10816, 12700, 13208, 13520, 16256, 16510, 16900, 20320, 20800, 21463, 21632, 25400, 26416, 27040, 33020, 33800, 40640, 41275, 41600, 42926, 50800, 52832, 54080, 66040, 67600, 81280, 82550, 85852, 101600, 105664, 107315, 108160, 132080, 135200, 165100, 171704, 203200, 211328, 214630, 264160, 270400, 330200, 343408, 406400, 429260, 528320, 536575, 540800, 660400, 686816, 858520, 1056640, 1073150, 1320800, 1373632, 1717040, 2146300, 2641600, 2747264, 3434080, 4292600, 5283200, 6868160, 8585200, 13736320, 17170400, 34340800, 68681600]

約数ペア:

[(1, 68681600), (2, 34340800), (4, 17170400), (5, 13736320), (8, 8585200), (10, 6868160), (13, 5283200), (16, 4292600), (20, 3434080), (25, 2747264), (26, 2641600), (32, 2146300), (40, 1717040), (50, 1373632), (52, 1320800), (64, 1073150), (65, 1056640), (80, 858520), (100, 686816), (104, 660400), (127, 540800), (128, 536575), (130, 528320), (160, 429260), (169, 406400), (200, 343408), (208, 330200), (254, 270400), (260, 264160), (320, 214630), (325, 211328), (338, 203200), (400, 171704), (416, 165100), (508, 135200), (520, 132080), (635, 108160), (640, 107315), (650, 105664), (676, 101600), (800, 85852), (832, 82550), (845, 81280), (1016, 67600), (1040, 66040), (1270, 54080), (1300, 52832), (1352, 50800), (1600, 42926), (1651, 41600), (1664, 41275), (1690, 40640), (2032, 33800), (2080, 33020), (2540, 27040), (2600, 26416), (2704, 25400), (3175, 21632), (3200, 21463), (3302, 20800), (3380, 20320), (4064, 16900), (4160, 16510), (4225, 16256), (5080, 13520), (5200, 13208), (5408, 12700), (6350, 10816), (6604, 10400), (6760, 10160), (8128, 8450), (8255, 8320)]