77945600

素因数分解:

$2^8\times 5^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 108

約数和(自身を含む): 203398440

約数和(自身を除く): 125452840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 380, 400, 475, 608, 640, 641, 760, 800, 950, 1216, 1280, 1282, 1520, 1600, 1900, 2432, 2564, 3040, 3200, 3205, 3800, 4864, 5128, 6080, 6400, 6410, 7600, 10256, 12160, 12179, 12820, 15200, 16025, 20512, 24320, 24358, 25640, 30400, 32050, 41024, 48716, 51280, 60800, 60895, 64100, 82048, 97432, 102560, 121600, 121790, 128200, 164096, 194864, 205120, 243580, 256400, 304475, 389728, 410240, 487160, 512800, 608950, 779456, 820480, 974320, 1025600, 1217900, 1558912, 1948640, 2051200, 2435800, 3117824, 3897280, 4102400, 4871600, 7794560, 9743200, 15589120, 19486400, 38972800, 77945600]

約数ペア:

[(1, 77945600), (2, 38972800), (4, 19486400), (5, 15589120), (8, 9743200), (10, 7794560), (16, 4871600), (19, 4102400), (20, 3897280), (25, 3117824), (32, 2435800), (38, 2051200), (40, 1948640), (50, 1558912), (64, 1217900), (76, 1025600), (80, 974320), (95, 820480), (100, 779456), (128, 608950), (152, 512800), (160, 487160), (190, 410240), (200, 389728), (256, 304475), (304, 256400), (320, 243580), (380, 205120), (400, 194864), (475, 164096), (608, 128200), (640, 121790), (641, 121600), (760, 102560), (800, 97432), (950, 82048), (1216, 64100), (1280, 60895), (1282, 60800), (1520, 51280), (1600, 48716), (1900, 41024), (2432, 32050), (2564, 30400), (3040, 25640), (3200, 24358), (3205, 24320), (3800, 20512), (4864, 16025), (5128, 15200), (6080, 12820), (6400, 12179), (6410, 12160), (7600, 10256)]