16987520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 47001600

約数和(自身を除く): 30014080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 127, 128, 152, 160, 176, 190, 209, 220, 254, 304, 320, 352, 380, 418, 440, 508, 608, 635, 640, 704, 760, 836, 880, 1016, 1045, 1216, 1270, 1397, 1408, 1520, 1672, 1760, 2032, 2090, 2413, 2432, 2540, 2794, 3040, 3344, 3520, 4064, 4180, 4826, 5080, 5588, 6080, 6688, 6985, 7040, 8128, 8360, 9652, 10160, 11176, 12065, 12160, 13376, 13970, 16256, 16720, 19304, 20320, 22352, 24130, 26543, 26752, 27940, 33440, 38608, 40640, 44704, 48260, 53086, 55880, 66880, 77216, 81280, 89408, 96520, 106172, 111760, 132715, 133760, 154432, 178816, 193040, 212344, 223520, 265430, 308864, 386080, 424688, 447040, 530860, 772160, 849376, 894080, 1061720, 1544320, 1698752, 2123440, 3397504, 4246880, 8493760, 16987520]

約数ペア:

[(1, 16987520), (2, 8493760), (4, 4246880), (5, 3397504), (8, 2123440), (10, 1698752), (11, 1544320), (16, 1061720), (19, 894080), (20, 849376), (22, 772160), (32, 530860), (38, 447040), (40, 424688), (44, 386080), (55, 308864), (64, 265430), (76, 223520), (80, 212344), (88, 193040), (95, 178816), (110, 154432), (127, 133760), (128, 132715), (152, 111760), (160, 106172), (176, 96520), (190, 89408), (209, 81280), (220, 77216), (254, 66880), (304, 55880), (320, 53086), (352, 48260), (380, 44704), (418, 40640), (440, 38608), (508, 33440), (608, 27940), (635, 26752), (640, 26543), (704, 24130), (760, 22352), (836, 20320), (880, 19304), (1016, 16720), (1045, 16256), (1216, 13970), (1270, 13376), (1397, 12160), (1408, 12065), (1520, 11176), (1672, 10160), (1760, 9652), (2032, 8360), (2090, 8128), (2413, 7040), (2432, 6985), (2540, 6688), (2794, 6080), (3040, 5588), (3344, 5080), (3520, 4826), (4064, 4180)]