256267725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1$

素因数の和:1179

約数の個数: 96

約数和(自身を含む): 532346880

約数和(自身を除く): 276079155

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 25, 35, 57, 69, 75, 95, 105, 115, 133, 161, 175, 285, 345, 399, 437, 475, 483, 525, 575, 665, 805, 1117, 1311, 1425, 1725, 1995, 2185, 2415, 3059, 3325, 3351, 4025, 5585, 6555, 7819, 9177, 9975, 10925, 12075, 15295, 16755, 21223, 23457, 25691, 27925, 32775, 39095, 45885, 63669, 76475, 77073, 83775, 106115, 117285, 128455, 148561, 179837, 195475, 229425, 318345, 385365, 445683, 488129, 530575, 539511, 586425, 642275, 742805, 899185, 1464387, 1591725, 1926825, 2228415, 2440645, 2697555, 3416903, 3714025, 4495925, 7321935, 10250709, 11142075, 12203225, 13487775, 17084515, 36609675, 51253545, 85422575, 256267725]

約数ペア:

[(1, 256267725), (3, 85422575), (5, 51253545), (7, 36609675), (15, 17084515), (19, 13487775), (21, 12203225), (23, 11142075), (25, 10250709), (35, 7321935), (57, 4495925), (69, 3714025), (75, 3416903), (95, 2697555), (105, 2440645), (115, 2228415), (133, 1926825), (161, 1591725), (175, 1464387), (285, 899185), (345, 742805), (399, 642275), (437, 586425), (475, 539511), (483, 530575), (525, 488129), (575, 445683), (665, 385365), (805, 318345), (1117, 229425), (1311, 195475), (1425, 179837), (1725, 148561), (1995, 128455), (2185, 117285), (2415, 106115), (3059, 83775), (3325, 77073), (3351, 76475), (4025, 63669), (5585, 45885), (6555, 39095), (7819, 32775), (9177, 27925), (9975, 25691), (10925, 23457), (12075, 21223), (15295, 16755)]