68807680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 88

約数和(自身を含む): 168017760

約数和(自身を除く): 99210080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 151, 160, 178, 256, 302, 320, 356, 445, 512, 604, 640, 712, 755, 890, 1024, 1208, 1280, 1424, 1510, 1780, 2416, 2560, 2848, 3020, 3560, 4832, 5120, 5696, 6040, 7120, 9664, 11392, 12080, 13439, 14240, 19328, 22784, 24160, 26878, 28480, 38656, 45568, 48320, 53756, 56960, 67195, 77312, 91136, 96640, 107512, 113920, 134390, 154624, 193280, 215024, 227840, 268780, 386560, 430048, 455680, 537560, 773120, 860096, 1075120, 1720192, 2150240, 3440384, 4300480, 6880768, 8600960, 13761536, 17201920, 34403840, 68807680]

約数ペア:

[(1, 68807680), (2, 34403840), (4, 17201920), (5, 13761536), (8, 8600960), (10, 6880768), (16, 4300480), (20, 3440384), (32, 2150240), (40, 1720192), (64, 1075120), (80, 860096), (89, 773120), (128, 537560), (151, 455680), (160, 430048), (178, 386560), (256, 268780), (302, 227840), (320, 215024), (356, 193280), (445, 154624), (512, 134390), (604, 113920), (640, 107512), (712, 96640), (755, 91136), (890, 77312), (1024, 67195), (1208, 56960), (1280, 53756), (1424, 48320), (1510, 45568), (1780, 38656), (2416, 28480), (2560, 26878), (2848, 24160), (3020, 22784), (3560, 19328), (4832, 14240), (5120, 13439), (5696, 12080), (6040, 11392), (7120, 9664)]