28251960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1301

約数の個数: 128

約数和(自身を含む): 97977600

約数和(自身を除く): 69725640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1259, 1320, 1496, 1870, 2040, 2244, 2518, 2805, 3740, 3777, 4488, 5036, 5610, 6295, 7480, 7554, 10072, 11220, 12590, 13849, 15108, 18885, 21403, 22440, 25180, 27698, 30216, 37770, 41547, 42806, 50360, 55396, 64209, 69245, 75540, 83094, 85612, 107015, 110792, 128418, 138490, 151080, 166188, 171224, 207735, 214030, 235433, 256836, 276980, 321045, 332376, 415470, 428060, 470866, 513672, 553960, 642090, 706299, 830940, 856120, 941732, 1177165, 1284180, 1412598, 1661880, 1883464, 2354330, 2568360, 2825196, 3531495, 4708660, 5650392, 7062990, 9417320, 14125980, 28251960]

約数ペア:

[(1, 28251960), (2, 14125980), (3, 9417320), (4, 7062990), (5, 5650392), (6, 4708660), (8, 3531495), (10, 2825196), (11, 2568360), (12, 2354330), (15, 1883464), (17, 1661880), (20, 1412598), (22, 1284180), (24, 1177165), (30, 941732), (33, 856120), (34, 830940), (40, 706299), (44, 642090), (51, 553960), (55, 513672), (60, 470866), (66, 428060), (68, 415470), (85, 332376), (88, 321045), (102, 276980), (110, 256836), (120, 235433), (132, 214030), (136, 207735), (165, 171224), (170, 166188), (187, 151080), (204, 138490), (220, 128418), (255, 110792), (264, 107015), (330, 85612), (340, 83094), (374, 75540), (408, 69245), (440, 64209), (510, 55396), (561, 50360), (660, 42806), (680, 41547), (748, 37770), (935, 30216), (1020, 27698), (1122, 25180), (1259, 22440), (1320, 21403), (1496, 18885), (1870, 15108), (2040, 13849), (2244, 12590), (2518, 11220), (2805, 10072), (3740, 7554), (3777, 7480), (4488, 6295), (5036, 5610)]