28225120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 87091200

約数和(自身を除く): 58866080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 32, 35, 40, 44, 55, 56, 58, 70, 77, 79, 80, 88, 110, 112, 116, 140, 145, 154, 158, 160, 176, 203, 220, 224, 232, 280, 290, 308, 316, 319, 352, 385, 395, 406, 440, 464, 553, 560, 580, 616, 632, 638, 770, 790, 812, 869, 880, 928, 1015, 1106, 1120, 1160, 1232, 1264, 1276, 1540, 1580, 1595, 1624, 1738, 1760, 2030, 2212, 2233, 2291, 2320, 2464, 2528, 2552, 2765, 3080, 3160, 3190, 3248, 3476, 4060, 4345, 4424, 4466, 4582, 4640, 5104, 5530, 6083, 6160, 6320, 6380, 6496, 6952, 8120, 8690, 8848, 8932, 9164, 10208, 11060, 11165, 11455, 12166, 12320, 12640, 12760, 13904, 16037, 16240, 17380, 17696, 17864, 18328, 22120, 22330, 22910, 24332, 25201, 25520, 27808, 30415, 32074, 32480, 34760, 35728, 36656, 44240, 44660, 45820, 48664, 50402, 51040, 60830, 64148, 69520, 71456, 73312, 80185, 88480, 89320, 91640, 97328, 100804, 121660, 126005, 128296, 139040, 160370, 176407, 178640, 183280, 194656, 201608, 243320, 252010, 256592, 320740, 352814, 357280, 366560, 403216, 486640, 504020, 513184, 641480, 705628, 806432, 882035, 973280, 1008040, 1282960, 1411256, 1764070, 2016080, 2565920, 2822512, 3528140, 4032160, 5645024, 7056280, 14112560, 28225120]

約数ペア:

[(1, 28225120), (2, 14112560), (4, 7056280), (5, 5645024), (7, 4032160), (8, 3528140), (10, 2822512), (11, 2565920), (14, 2016080), (16, 1764070), (20, 1411256), (22, 1282960), (28, 1008040), (29, 973280), (32, 882035), (35, 806432), (40, 705628), (44, 641480), (55, 513184), (56, 504020), (58, 486640), (70, 403216), (77, 366560), (79, 357280), (80, 352814), (88, 320740), (110, 256592), (112, 252010), (116, 243320), (140, 201608), (145, 194656), (154, 183280), (158, 178640), (160, 176407), (176, 160370), (203, 139040), (220, 128296), (224, 126005), (232, 121660), (280, 100804), (290, 97328), (308, 91640), (316, 89320), (319, 88480), (352, 80185), (385, 73312), (395, 71456), (406, 69520), (440, 64148), (464, 60830), (553, 51040), (560, 50402), (580, 48664), (616, 45820), (632, 44660), (638, 44240), (770, 36656), (790, 35728), (812, 34760), (869, 32480), (880, 32074), (928, 30415), (1015, 27808), (1106, 25520), (1120, 25201), (1160, 24332), (1232, 22910), (1264, 22330), (1276, 22120), (1540, 18328), (1580, 17864), (1595, 17696), (1624, 17380), (1738, 16240), (1760, 16037), (2030, 13904), (2212, 12760), (2233, 12640), (2291, 12320), (2320, 12166), (2464, 11455), (2528, 11165), (2552, 11060), (2765, 10208), (3080, 9164), (3160, 8932), (3190, 8848), (3248, 8690), (3476, 8120), (4060, 6952), (4345, 6496), (4424, 6380), (4466, 6320), (4582, 6160), (4640, 6083), (5104, 5530)]