67644160

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 165931920

約数和(自身を除く): 98287760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1229, 1280, 1376, 1720, 2458, 2752, 3440, 4916, 5504, 6145, 6880, 9832, 11008, 12290, 13760, 19664, 24580, 27520, 39328, 49160, 52847, 55040, 78656, 98320, 105694, 157312, 196640, 211388, 264235, 314624, 393280, 422776, 528470, 786560, 845552, 1056940, 1573120, 1691104, 2113880, 3382208, 4227760, 6764416, 8455520, 13528832, 16911040, 33822080, 67644160]

約数ペア:

[(1, 67644160), (2, 33822080), (4, 16911040), (5, 13528832), (8, 8455520), (10, 6764416), (16, 4227760), (20, 3382208), (32, 2113880), (40, 1691104), (43, 1573120), (64, 1056940), (80, 845552), (86, 786560), (128, 528470), (160, 422776), (172, 393280), (215, 314624), (256, 264235), (320, 211388), (344, 196640), (430, 157312), (640, 105694), (688, 98320), (860, 78656), (1229, 55040), (1280, 52847), (1376, 49160), (1720, 39328), (2458, 27520), (2752, 24580), (3440, 19664), (4916, 13760), (5504, 12290), (6145, 11008), (6880, 9832)]