30721768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 73249920

約数和(自身を除く): 42528152

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 154, 212, 308, 371, 424, 583, 616, 742, 941, 1166, 1484, 1882, 2332, 2968, 3764, 4081, 4664, 6587, 7528, 8162, 10351, 13174, 16324, 20702, 26348, 32648, 41404, 49873, 52696, 72457, 82808, 99746, 144914, 199492, 289828, 349111, 398984, 548603, 579656, 698222, 1097206, 1396444, 2194412, 2792888, 3840221, 4388824, 7680442, 15360884, 30721768]

約数ペア:

[(1, 30721768), (2, 15360884), (4, 7680442), (7, 4388824), (8, 3840221), (11, 2792888), (14, 2194412), (22, 1396444), (28, 1097206), (44, 698222), (53, 579656), (56, 548603), (77, 398984), (88, 349111), (106, 289828), (154, 199492), (212, 144914), (308, 99746), (371, 82808), (424, 72457), (583, 52696), (616, 49873), (742, 41404), (941, 32648), (1166, 26348), (1484, 20702), (1882, 16324), (2332, 13174), (2968, 10351), (3764, 8162), (4081, 7528), (4664, 6587)]