11971520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:226

約数の個数: 112

約数和(自身を含む): 32918400

約数和(自身を除く): 20946880

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, 152, 160, 176, 179, 190, 209, 220, 304, 320, 352, 358, 380, 418, 440, 608, 704, 716, 760, 836, 880, 895, 1045, 1216, 1432, 1520, 1672, 1760, 1790, 1969, 2090, 2864, 3040, 3344, 3401, 3520, 3580, 3938, 4180, 5728, 6080, 6688, 6802, 7160, 7876, 8360, 9845, 11456, 13376, 13604, 14320, 15752, 16720, 17005, 19690, 27208, 28640, 31504, 33440, 34010, 37411, 39380, 54416, 57280, 63008, 66880, 68020, 74822, 78760, 108832, 126016, 136040, 149644, 157520, 187055, 217664, 272080, 299288, 315040, 374110, 544160, 598576, 630080, 748220, 1088320, 1197152, 1496440, 2394304, 2992880, 5985760, 11971520]

約数ペア:

[(1, 11971520), (2, 5985760), (4, 2992880), (5, 2394304), (8, 1496440), (10, 1197152), (11, 1088320), (16, 748220), (19, 630080), (20, 598576), (22, 544160), (32, 374110), (38, 315040), (40, 299288), (44, 272080), (55, 217664), (64, 187055), (76, 157520), (80, 149644), (88, 136040), (95, 126016), (110, 108832), (152, 78760), (160, 74822), (176, 68020), (179, 66880), (190, 63008), (209, 57280), (220, 54416), (304, 39380), (320, 37411), (352, 34010), (358, 33440), (380, 31504), (418, 28640), (440, 27208), (608, 19690), (704, 17005), (716, 16720), (760, 15752), (836, 14320), (880, 13604), (895, 13376), (1045, 11456), (1216, 9845), (1432, 8360), (1520, 7876), (1672, 7160), (1760, 6802), (1790, 6688), (1969, 6080), (2090, 5728), (2864, 4180), (3040, 3938), (3344, 3580), (3401, 3520)]