30278248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 80640000

約数和(自身を除く): 50361752

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 56, 76, 77, 88, 91, 104, 133, 143, 152, 154, 182, 199, 209, 247, 266, 286, 308, 364, 398, 418, 494, 532, 572, 616, 728, 796, 836, 988, 1001, 1064, 1144, 1393, 1463, 1592, 1672, 1729, 1976, 2002, 2189, 2587, 2717, 2786, 2926, 3458, 3781, 4004, 4378, 5174, 5434, 5572, 5852, 6916, 7562, 8008, 8756, 10348, 10868, 11144, 11704, 13832, 15124, 15323, 17512, 18109, 19019, 20696, 21736, 26467, 28457, 30248, 30646, 36218, 38038, 41591, 49153, 52934, 56914, 61292, 72436, 76076, 83182, 98306, 105868, 113828, 122584, 144872, 152152, 166364, 196612, 199199, 211736, 227656, 291137, 332728, 344071, 393224, 398398, 540683, 582274, 688142, 796796, 1081366, 1164548, 1376284, 1593592, 2162732, 2329096, 2752568, 3784781, 4325464, 7569562, 15139124, 30278248]

約数ペア:

[(1, 30278248), (2, 15139124), (4, 7569562), (7, 4325464), (8, 3784781), (11, 2752568), (13, 2329096), (14, 2162732), (19, 1593592), (22, 1376284), (26, 1164548), (28, 1081366), (38, 796796), (44, 688142), (52, 582274), (56, 540683), (76, 398398), (77, 393224), (88, 344071), (91, 332728), (104, 291137), (133, 227656), (143, 211736), (152, 199199), (154, 196612), (182, 166364), (199, 152152), (209, 144872), (247, 122584), (266, 113828), (286, 105868), (308, 98306), (364, 83182), (398, 76076), (418, 72436), (494, 61292), (532, 56914), (572, 52934), (616, 49153), (728, 41591), (796, 38038), (836, 36218), (988, 30646), (1001, 30248), (1064, 28457), (1144, 26467), (1393, 21736), (1463, 20696), (1592, 19019), (1672, 18109), (1729, 17512), (1976, 15323), (2002, 15124), (2189, 13832), (2587, 11704), (2717, 11144), (2786, 10868), (2926, 10348), (3458, 8756), (3781, 8008), (4004, 7562), (4378, 6916), (5174, 5852), (5434, 5572)]