68589920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1372

約数の個数: 96

約数和(自身を含む): 189278208

約数和(自身を除く): 120688288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 80, 94, 112, 140, 160, 188, 224, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1120, 1303, 1316, 1504, 1645, 1880, 2606, 2632, 3290, 3760, 5212, 5264, 6515, 6580, 7520, 9121, 10424, 10528, 13030, 13160, 18242, 20848, 26060, 26320, 36484, 41696, 45605, 52120, 52640, 61241, 72968, 91210, 104240, 122482, 145936, 182420, 208480, 244964, 291872, 306205, 364840, 428687, 489928, 612410, 729680, 857374, 979856, 1224820, 1459360, 1714748, 1959712, 2143435, 2449640, 3429496, 4286870, 4899280, 6858992, 8573740, 9798560, 13717984, 17147480, 34294960, 68589920]

約数ペア:

[(1, 68589920), (2, 34294960), (4, 17147480), (5, 13717984), (7, 9798560), (8, 8573740), (10, 6858992), (14, 4899280), (16, 4286870), (20, 3429496), (28, 2449640), (32, 2143435), (35, 1959712), (40, 1714748), (47, 1459360), (56, 1224820), (70, 979856), (80, 857374), (94, 729680), (112, 612410), (140, 489928), (160, 428687), (188, 364840), (224, 306205), (235, 291872), (280, 244964), (329, 208480), (376, 182420), (470, 145936), (560, 122482), (658, 104240), (752, 91210), (940, 72968), (1120, 61241), (1303, 52640), (1316, 52120), (1504, 45605), (1645, 41696), (1880, 36484), (2606, 26320), (2632, 26060), (3290, 20848), (3760, 18242), (5212, 13160), (5264, 13030), (6515, 10528), (6580, 10424), (7520, 9121)]