78529280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3229}}^1$

素因数の和:3269

約数の個数: 72

約数和(自身を含む): 198063600

約数和(自身を除く): 119534320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 3229, 4864, 6080, 6458, 12160, 12916, 16145, 24320, 25832, 32290, 51664, 61351, 64580, 103328, 122702, 129160, 206656, 245404, 258320, 306755, 413312, 490808, 516640, 613510, 826624, 981616, 1033280, 1227020, 1963232, 2066560, 2454040, 3926464, 4133120, 4908080, 7852928, 9816160, 15705856, 19632320, 39264640, 78529280]

約数ペア:

[(1, 78529280), (2, 39264640), (4, 19632320), (5, 15705856), (8, 9816160), (10, 7852928), (16, 4908080), (19, 4133120), (20, 3926464), (32, 2454040), (38, 2066560), (40, 1963232), (64, 1227020), (76, 1033280), (80, 981616), (95, 826624), (128, 613510), (152, 516640), (160, 490808), (190, 413312), (256, 306755), (304, 258320), (320, 245404), (380, 206656), (608, 129160), (640, 122702), (760, 103328), (1216, 64580), (1280, 61351), (1520, 51664), (2432, 32290), (3040, 25832), (3229, 24320), (4864, 16145), (6080, 12916), (6458, 12160)]