77893640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 205286400

約数和(自身を除く): 127392760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 43, 44, 46, 55, 86, 88, 92, 110, 115, 172, 179, 184, 215, 220, 230, 253, 344, 358, 430, 440, 460, 473, 506, 716, 860, 895, 920, 946, 989, 1012, 1265, 1432, 1720, 1790, 1892, 1969, 1978, 2024, 2365, 2530, 3580, 3784, 3938, 3956, 4117, 4730, 4945, 5060, 7160, 7697, 7876, 7912, 8234, 9460, 9845, 9890, 10120, 10879, 15394, 15752, 16468, 18920, 19690, 19780, 20585, 21758, 30788, 32936, 38485, 39380, 39560, 41170, 43516, 45287, 54395, 61576, 76970, 78760, 82340, 84667, 87032, 90574, 108790, 153940, 164680, 169334, 177031, 181148, 217580, 226435, 307880, 338668, 354062, 362296, 423335, 435160, 452870, 677336, 708124, 846670, 885155, 905740, 1416248, 1693340, 1770310, 1811480, 1947341, 3386680, 3540620, 3894682, 7081240, 7789364, 9736705, 15578728, 19473410, 38946820, 77893640]

約数ペア:

[(1, 77893640), (2, 38946820), (4, 19473410), (5, 15578728), (8, 9736705), (10, 7789364), (11, 7081240), (20, 3894682), (22, 3540620), (23, 3386680), (40, 1947341), (43, 1811480), (44, 1770310), (46, 1693340), (55, 1416248), (86, 905740), (88, 885155), (92, 846670), (110, 708124), (115, 677336), (172, 452870), (179, 435160), (184, 423335), (215, 362296), (220, 354062), (230, 338668), (253, 307880), (344, 226435), (358, 217580), (430, 181148), (440, 177031), (460, 169334), (473, 164680), (506, 153940), (716, 108790), (860, 90574), (895, 87032), (920, 84667), (946, 82340), (989, 78760), (1012, 76970), (1265, 61576), (1432, 54395), (1720, 45287), (1790, 43516), (1892, 41170), (1969, 39560), (1978, 39380), (2024, 38485), (2365, 32936), (2530, 30788), (3580, 21758), (3784, 20585), (3938, 19780), (3956, 19690), (4117, 18920), (4730, 16468), (4945, 15752), (5060, 15394), (7160, 10879), (7697, 10120), (7876, 9890), (7912, 9845), (8234, 9460)]