71937280

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 176454432

約数和(自身を除く): 104517152

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, 1280, 1307, 1376, 1720, 2614, 2752, 3440, 5228, 5504, 6535, 6880, 10456, 11008, 13070, 13760, 20912, 26140, 27520, 41824, 52280, 55040, 56201, 83648, 104560, 112402, 167296, 209120, 224804, 281005, 334592, 418240, 449608, 562010, 836480, 899216, 1124020, 1672960, 1798432, 2248040, 3596864, 4496080, 7193728, 8992160, 14387456, 17984320, 35968640, 71937280]

約数ペア:

[(1, 71937280), (2, 35968640), (4, 17984320), (5, 14387456), (8, 8992160), (10, 7193728), (16, 4496080), (20, 3596864), (32, 2248040), (40, 1798432), (43, 1672960), (64, 1124020), (80, 899216), (86, 836480), (128, 562010), (160, 449608), (172, 418240), (215, 334592), (256, 281005), (320, 224804), (344, 209120), (430, 167296), (640, 112402), (688, 104560), (860, 83648), (1280, 56201), (1307, 55040), (1376, 52280), (1720, 41824), (2614, 27520), (2752, 26140), (3440, 20912), (5228, 13760), (5504, 13070), (6535, 11008), (6880, 10456)]