71508640

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{1303}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 197164800

約数和(自身を除く): 125656160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1303, 1372, 1568, 1715, 1960, 2606, 2744, 3430, 3920, 5212, 5488, 6515, 6860, 7840, 9121, 10424, 10976, 13030, 13720, 18242, 20848, 26060, 27440, 36484, 41696, 45605, 52120, 54880, 63847, 72968, 91210, 104240, 127694, 145936, 182420, 208480, 255388, 291872, 319235, 364840, 446929, 510776, 638470, 729680, 893858, 1021552, 1276940, 1459360, 1787716, 2043104, 2234645, 2553880, 3575432, 4469290, 5107760, 7150864, 8938580, 10215520, 14301728, 17877160, 35754320, 71508640]

約数ペア:

[(1, 71508640), (2, 35754320), (4, 17877160), (5, 14301728), (7, 10215520), (8, 8938580), (10, 7150864), (14, 5107760), (16, 4469290), (20, 3575432), (28, 2553880), (32, 2234645), (35, 2043104), (40, 1787716), (49, 1459360), (56, 1276940), (70, 1021552), (80, 893858), (98, 729680), (112, 638470), (140, 510776), (160, 446929), (196, 364840), (224, 319235), (245, 291872), (280, 255388), (343, 208480), (392, 182420), (490, 145936), (560, 127694), (686, 104240), (784, 91210), (980, 72968), (1120, 63847), (1303, 54880), (1372, 52120), (1568, 45605), (1715, 41696), (1960, 36484), (2606, 27440), (2744, 26060), (3430, 20848), (3920, 18242), (5212, 13720), (5488, 13030), (6515, 10976), (6860, 10424), (7840, 9121)]