28508340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:781

約数の個数: 96

約数和(自身を含む): 92252160

約数和(自身を除く): 63743820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 515, 618, 659, 721, 1030, 1236, 1318, 1442, 1545, 1977, 2060, 2163, 2636, 2884, 3090, 3295, 3605, 3954, 4326, 4613, 6180, 6590, 7210, 7908, 8652, 9226, 9885, 10815, 13180, 13839, 14420, 18452, 19770, 21630, 23065, 27678, 39540, 43260, 46130, 55356, 67877, 69195, 92260, 135754, 138390, 203631, 271508, 276780, 339385, 407262, 475139, 678770, 814524, 950278, 1018155, 1357540, 1425417, 1900556, 2036310, 2375695, 2850834, 4072620, 4751390, 5701668, 7127085, 9502780, 14254170, 28508340]

約数ペア:

[(1, 28508340), (2, 14254170), (3, 9502780), (4, 7127085), (5, 5701668), (6, 4751390), (7, 4072620), (10, 2850834), (12, 2375695), (14, 2036310), (15, 1900556), (20, 1425417), (21, 1357540), (28, 1018155), (30, 950278), (35, 814524), (42, 678770), (60, 475139), (70, 407262), (84, 339385), (103, 276780), (105, 271508), (140, 203631), (206, 138390), (210, 135754), (309, 92260), (412, 69195), (420, 67877), (515, 55356), (618, 46130), (659, 43260), (721, 39540), (1030, 27678), (1236, 23065), (1318, 21630), (1442, 19770), (1545, 18452), (1977, 14420), (2060, 13839), (2163, 13180), (2636, 10815), (2884, 9885), (3090, 9226), (3295, 8652), (3605, 7908), (3954, 7210), (4326, 6590), (4613, 6180)]