71978240

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1061}}^1$

素因数の和:1135

約数の個数: 72

約数和(自身を含む): 175828968

約数和(自身を除く): 103850728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1061, 1280, 1696, 2120, 2122, 3392, 4240, 4244, 5305, 6784, 8480, 8488, 10610, 13568, 16960, 16976, 21220, 33920, 33952, 42440, 56233, 67840, 67904, 84880, 112466, 135808, 169760, 224932, 271616, 281165, 339520, 449864, 562330, 679040, 899728, 1124660, 1358080, 1799456, 2249320, 3598912, 4498640, 7197824, 8997280, 14395648, 17994560, 35989120, 71978240]

約数ペア:

[(1, 71978240), (2, 35989120), (4, 17994560), (5, 14395648), (8, 8997280), (10, 7197824), (16, 4498640), (20, 3598912), (32, 2249320), (40, 1799456), (53, 1358080), (64, 1124660), (80, 899728), (106, 679040), (128, 562330), (160, 449864), (212, 339520), (256, 281165), (265, 271616), (320, 224932), (424, 169760), (530, 135808), (640, 112466), (848, 84880), (1060, 67904), (1061, 67840), (1280, 56233), (1696, 42440), (2120, 33952), (2122, 33920), (3392, 21220), (4240, 16976), (4244, 16960), (5305, 13568), (6784, 10610), (8480, 8488)]