71256320

素因数分解:

$2^8\times 5^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 172186560

約数和(自身を除く): 100930240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 256, 311, 320, 358, 622, 640, 716, 895, 1244, 1280, 1432, 1555, 1790, 2488, 2864, 3110, 3580, 4976, 5728, 6220, 7160, 9952, 11456, 12440, 14320, 19904, 22912, 24880, 28640, 39808, 45824, 49760, 55669, 57280, 79616, 99520, 111338, 114560, 199040, 222676, 229120, 278345, 398080, 445352, 556690, 890704, 1113380, 1781408, 2226760, 3562816, 4453520, 7125632, 8907040, 14251264, 17814080, 35628160, 71256320]

約数ペア:

[(1, 71256320), (2, 35628160), (4, 17814080), (5, 14251264), (8, 8907040), (10, 7125632), (16, 4453520), (20, 3562816), (32, 2226760), (40, 1781408), (64, 1113380), (80, 890704), (128, 556690), (160, 445352), (179, 398080), (256, 278345), (311, 229120), (320, 222676), (358, 199040), (622, 114560), (640, 111338), (716, 99520), (895, 79616), (1244, 57280), (1280, 55669), (1432, 49760), (1555, 45824), (1790, 39808), (2488, 28640), (2864, 24880), (3110, 22912), (3580, 19904), (4976, 14320), (5728, 12440), (6220, 11456), (7160, 9952)]