215020728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 647468640

約数和(自身を除く): 432447912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 41, 52, 72, 78, 82, 104, 117, 123, 156, 164, 169, 234, 246, 312, 328, 338, 369, 431, 468, 492, 507, 533, 676, 738, 862, 936, 984, 1014, 1066, 1293, 1352, 1476, 1521, 1599, 1724, 2028, 2132, 2586, 2952, 3042, 3198, 3448, 3879, 4056, 4264, 4797, 5172, 5603, 6084, 6396, 6929, 7758, 9594, 10344, 11206, 12168, 12792, 13858, 15516, 16809, 17671, 19188, 20787, 22412, 27716, 31032, 33618, 35342, 38376, 41574, 44824, 50427, 53013, 55432, 62361, 67236, 70684, 72839, 83148, 100854, 106026, 124722, 134472, 141368, 145678, 159039, 166296, 201708, 212052, 218517, 229723, 249444, 291356, 318078, 403416, 424104, 437034, 459446, 498888, 582712, 636156, 655551, 689169, 874068, 918892, 1272312, 1311102, 1378338, 1748136, 1837784, 2067507, 2622204, 2756676, 2986399, 4135014, 5244408, 5513352, 5972798, 8270028, 8959197, 11945596, 16540056, 17918394, 23891192, 26877591, 35836788, 53755182, 71673576, 107510364, 215020728]

約数ペア:

[(1, 215020728), (2, 107510364), (3, 71673576), (4, 53755182), (6, 35836788), (8, 26877591), (9, 23891192), (12, 17918394), (13, 16540056), (18, 11945596), (24, 8959197), (26, 8270028), (36, 5972798), (39, 5513352), (41, 5244408), (52, 4135014), (72, 2986399), (78, 2756676), (82, 2622204), (104, 2067507), (117, 1837784), (123, 1748136), (156, 1378338), (164, 1311102), (169, 1272312), (234, 918892), (246, 874068), (312, 689169), (328, 655551), (338, 636156), (369, 582712), (431, 498888), (468, 459446), (492, 437034), (507, 424104), (533, 403416), (676, 318078), (738, 291356), (862, 249444), (936, 229723), (984, 218517), (1014, 212052), (1066, 201708), (1293, 166296), (1352, 159039), (1476, 145678), (1521, 141368), (1599, 134472), (1724, 124722), (2028, 106026), (2132, 100854), (2586, 83148), (2952, 72839), (3042, 70684), (3198, 67236), (3448, 62361), (3879, 55432), (4056, 53013), (4264, 50427), (4797, 44824), (5172, 41574), (5603, 38376), (6084, 35342), (6396, 33618), (6929, 31032), (7758, 27716), (9594, 22412), (10344, 20787), (11206, 19188), (12168, 17671), (12792, 16809), (13858, 15516)]