68520032

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:604

約数の個数: 72

約数和(自身を含む): 159009480

約数和(自身を除く): 90489448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 224, 356, 392, 491, 623, 712, 784, 982, 1246, 1424, 1568, 1964, 2492, 2848, 3437, 3928, 4361, 4984, 6874, 7856, 8722, 9968, 13748, 15712, 17444, 19936, 24059, 27496, 34888, 43699, 48118, 54992, 69776, 87398, 96236, 109984, 139552, 174796, 192472, 305893, 349592, 384944, 611786, 699184, 769888, 1223572, 1398368, 2141251, 2447144, 4282502, 4894288, 8565004, 9788576, 17130008, 34260016, 68520032]

約数ペア:

[(1, 68520032), (2, 34260016), (4, 17130008), (7, 9788576), (8, 8565004), (14, 4894288), (16, 4282502), (28, 2447144), (32, 2141251), (49, 1398368), (56, 1223572), (89, 769888), (98, 699184), (112, 611786), (178, 384944), (196, 349592), (224, 305893), (356, 192472), (392, 174796), (491, 139552), (623, 109984), (712, 96236), (784, 87398), (982, 69776), (1246, 54992), (1424, 48118), (1568, 43699), (1964, 34888), (2492, 27496), (2848, 24059), (3437, 19936), (3928, 17444), (4361, 15712), (4984, 13748), (6874, 9968), (7856, 8722)]