81021824

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 190209600

約数和(自身を除く): 109187776

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 29, 32, 46, 52, 58, 64, 73, 92, 104, 116, 128, 146, 184, 208, 232, 292, 299, 368, 377, 416, 464, 584, 598, 667, 736, 754, 832, 928, 949, 1168, 1196, 1334, 1472, 1508, 1664, 1679, 1856, 1898, 2117, 2336, 2392, 2668, 2944, 3016, 3358, 3712, 3796, 4234, 4672, 4784, 5336, 6032, 6716, 7592, 8468, 8671, 9344, 9568, 10672, 12064, 13432, 15184, 16936, 17342, 19136, 21344, 21827, 24128, 26864, 27521, 30368, 33872, 34684, 38272, 42688, 43654, 48256, 48691, 53728, 55042, 60736, 67744, 69368, 85376, 87308, 97382, 107456, 110084, 121472, 135488, 138736, 174616, 194764, 214912, 220168, 270976, 277472, 349232, 389528, 440336, 554944, 632983, 698464, 779056, 880672, 1109888, 1265966, 1396928, 1558112, 1761344, 2531932, 2793856, 3116224, 3522688, 5063864, 6232448, 10127728, 20255456, 40510912, 81021824]

約数ペア:

[(1, 81021824), (2, 40510912), (4, 20255456), (8, 10127728), (13, 6232448), (16, 5063864), (23, 3522688), (26, 3116224), (29, 2793856), (32, 2531932), (46, 1761344), (52, 1558112), (58, 1396928), (64, 1265966), (73, 1109888), (92, 880672), (104, 779056), (116, 698464), (128, 632983), (146, 554944), (184, 440336), (208, 389528), (232, 349232), (292, 277472), (299, 270976), (368, 220168), (377, 214912), (416, 194764), (464, 174616), (584, 138736), (598, 135488), (667, 121472), (736, 110084), (754, 107456), (832, 97382), (928, 87308), (949, 85376), (1168, 69368), (1196, 67744), (1334, 60736), (1472, 55042), (1508, 53728), (1664, 48691), (1679, 48256), (1856, 43654), (1898, 42688), (2117, 38272), (2336, 34684), (2392, 33872), (2668, 30368), (2944, 27521), (3016, 26864), (3358, 24128), (3712, 21827), (3796, 21344), (4234, 19136), (4672, 17342), (4784, 16936), (5336, 15184), (6032, 13432), (6716, 12064), (7592, 10672), (8468, 9568), (8671, 9344)]