84240640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 228404736

約数和(自身を除く): 144164096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 193, 220, 248, 256, 310, 320, 341, 352, 386, 440, 496, 620, 640, 682, 704, 772, 880, 965, 992, 1240, 1280, 1364, 1408, 1544, 1705, 1760, 1930, 1984, 2123, 2480, 2728, 2816, 3088, 3410, 3520, 3860, 3968, 4246, 4960, 5456, 5983, 6176, 6820, 7040, 7720, 7936, 8492, 9920, 10615, 10912, 11966, 12352, 13640, 14080, 15440, 16984, 19840, 21230, 21824, 23932, 24704, 27280, 29915, 30880, 33968, 39680, 42460, 43648, 47864, 49408, 54560, 59830, 61760, 65813, 67936, 84920, 87296, 95728, 109120, 119660, 123520, 131626, 135872, 169840, 191456, 218240, 239320, 247040, 263252, 271744, 329065, 339680, 382912, 436480, 478640, 526504, 543488, 658130, 679360, 765824, 957280, 1053008, 1316260, 1358720, 1531648, 1914560, 2106016, 2632520, 2717440, 3829120, 4212032, 5265040, 7658240, 8424064, 10530080, 16848128, 21060160, 42120320, 84240640]

約数ペア:

[(1, 84240640), (2, 42120320), (4, 21060160), (5, 16848128), (8, 10530080), (10, 8424064), (11, 7658240), (16, 5265040), (20, 4212032), (22, 3829120), (31, 2717440), (32, 2632520), (40, 2106016), (44, 1914560), (55, 1531648), (62, 1358720), (64, 1316260), (80, 1053008), (88, 957280), (110, 765824), (124, 679360), (128, 658130), (155, 543488), (160, 526504), (176, 478640), (193, 436480), (220, 382912), (248, 339680), (256, 329065), (310, 271744), (320, 263252), (341, 247040), (352, 239320), (386, 218240), (440, 191456), (496, 169840), (620, 135872), (640, 131626), (682, 123520), (704, 119660), (772, 109120), (880, 95728), (965, 87296), (992, 84920), (1240, 67936), (1280, 65813), (1364, 61760), (1408, 59830), (1544, 54560), (1705, 49408), (1760, 47864), (1930, 43648), (1984, 42460), (2123, 39680), (2480, 33968), (2728, 30880), (2816, 29915), (3088, 27280), (3410, 24704), (3520, 23932), (3860, 21824), (3968, 21230), (4246, 19840), (4960, 16984), (5456, 15440), (5983, 14080), (6176, 13640), (6820, 12352), (7040, 11966), (7720, 10912), (7936, 10615), (8492, 9920)]