71541760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 88

約数和(自身を含む): 174650040

約数和(自身を除く): 103108280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 157, 160, 178, 256, 314, 320, 356, 445, 512, 628, 640, 712, 785, 890, 1024, 1256, 1280, 1424, 1570, 1780, 2512, 2560, 2848, 3140, 3560, 5024, 5120, 5696, 6280, 7120, 10048, 11392, 12560, 13973, 14240, 20096, 22784, 25120, 27946, 28480, 40192, 45568, 50240, 55892, 56960, 69865, 80384, 91136, 100480, 111784, 113920, 139730, 160768, 200960, 223568, 227840, 279460, 401920, 447136, 455680, 558920, 803840, 894272, 1117840, 1788544, 2235680, 3577088, 4471360, 7154176, 8942720, 14308352, 17885440, 35770880, 71541760]

約数ペア:

[(1, 71541760), (2, 35770880), (4, 17885440), (5, 14308352), (8, 8942720), (10, 7154176), (16, 4471360), (20, 3577088), (32, 2235680), (40, 1788544), (64, 1117840), (80, 894272), (89, 803840), (128, 558920), (157, 455680), (160, 447136), (178, 401920), (256, 279460), (314, 227840), (320, 223568), (356, 200960), (445, 160768), (512, 139730), (628, 113920), (640, 111784), (712, 100480), (785, 91136), (890, 80384), (1024, 69865), (1256, 56960), (1280, 55892), (1424, 50240), (1570, 45568), (1780, 40192), (2512, 28480), (2560, 27946), (2848, 25120), (3140, 22784), (3560, 20096), (5024, 14240), (5120, 13973), (5696, 12560), (6280, 11392), (7120, 10048)]