285380784

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1155

約数の個数: 120

約数和(自身を含む): 866475792

約数和(自身を除く): 581095008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 157, 208, 234, 312, 314, 468, 471, 624, 628, 936, 942, 971, 1256, 1413, 1872, 1884, 1942, 2041, 2512, 2826, 2913, 3768, 3884, 4082, 5652, 5826, 6123, 7536, 7768, 8164, 8739, 11304, 11652, 12246, 12623, 15536, 16328, 17478, 18369, 22608, 23304, 24492, 25246, 32656, 34956, 36738, 37869, 46608, 48984, 50492, 69912, 73476, 75738, 97968, 100984, 113607, 139824, 146952, 151476, 152447, 201968, 227214, 293904, 302952, 304894, 454428, 457341, 605904, 609788, 908856, 914682, 1219576, 1372023, 1817712, 1829364, 1981811, 2439152, 2744046, 3658728, 3963622, 5488092, 5945433, 7317456, 7927244, 10976184, 11890866, 15854488, 17836299, 21952368, 23781732, 31708976, 35672598, 47563464, 71345196, 95126928, 142690392, 285380784]

約数ペア:

[(1, 285380784), (2, 142690392), (3, 95126928), (4, 71345196), (6, 47563464), (8, 35672598), (9, 31708976), (12, 23781732), (13, 21952368), (16, 17836299), (18, 15854488), (24, 11890866), (26, 10976184), (36, 7927244), (39, 7317456), (48, 5945433), (52, 5488092), (72, 3963622), (78, 3658728), (104, 2744046), (117, 2439152), (144, 1981811), (156, 1829364), (157, 1817712), (208, 1372023), (234, 1219576), (312, 914682), (314, 908856), (468, 609788), (471, 605904), (624, 457341), (628, 454428), (936, 304894), (942, 302952), (971, 293904), (1256, 227214), (1413, 201968), (1872, 152447), (1884, 151476), (1942, 146952), (2041, 139824), (2512, 113607), (2826, 100984), (2913, 97968), (3768, 75738), (3884, 73476), (4082, 69912), (5652, 50492), (5826, 48984), (6123, 46608), (7536, 37869), (7768, 36738), (8164, 34956), (8739, 32656), (11304, 25246), (11652, 24492), (12246, 23304), (12623, 22608), (15536, 18369), (16328, 17478)]