213578240

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4433

約数の個数: 80

約数和(自身を含む): 539161920

約数和(自身を除く): 325583680

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, 512, 608, 640, 760, 1216, 1280, 1520, 2432, 2560, 3040, 4391, 4864, 6080, 8782, 9728, 12160, 17564, 21955, 24320, 35128, 43910, 48640, 70256, 83429, 87820, 140512, 166858, 175640, 281024, 333716, 351280, 417145, 562048, 667432, 702560, 834290, 1124096, 1334864, 1405120, 1668580, 2248192, 2669728, 2810240, 3337160, 5339456, 5620480, 6674320, 10678912, 11240960, 13348640, 21357824, 26697280, 42715648, 53394560, 106789120, 213578240]

約数ペア:

[(1, 213578240), (2, 106789120), (4, 53394560), (5, 42715648), (8, 26697280), (10, 21357824), (16, 13348640), (19, 11240960), (20, 10678912), (32, 6674320), (38, 5620480), (40, 5339456), (64, 3337160), (76, 2810240), (80, 2669728), (95, 2248192), (128, 1668580), (152, 1405120), (160, 1334864), (190, 1124096), (256, 834290), (304, 702560), (320, 667432), (380, 562048), (512, 417145), (608, 351280), (640, 333716), (760, 281024), (1216, 175640), (1280, 166858), (1520, 140512), (2432, 87820), (2560, 83429), (3040, 70256), (4391, 48640), (4864, 43910), (6080, 35128), (8782, 24320), (9728, 21955), (12160, 17564)]