172786040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 462274560

約数和(自身を除く): 289488520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 113, 127, 140, 172, 215, 226, 254, 280, 301, 344, 430, 452, 508, 565, 602, 635, 791, 860, 889, 904, 1016, 1130, 1204, 1270, 1505, 1582, 1720, 1778, 2260, 2408, 2540, 3010, 3164, 3556, 3955, 4445, 4520, 4859, 5080, 5461, 6020, 6328, 7112, 7910, 8890, 9718, 10922, 12040, 14351, 15820, 17780, 19436, 21844, 24295, 27305, 28702, 31640, 34013, 35560, 38227, 38872, 43688, 48590, 54610, 57404, 68026, 71755, 76454, 97180, 100457, 109220, 114808, 136052, 143510, 152908, 170065, 191135, 194360, 200914, 218440, 272104, 287020, 305816, 340130, 382270, 401828, 502285, 574040, 617093, 680260, 764540, 803656, 1004570, 1234186, 1360520, 1529080, 2009140, 2468372, 3085465, 4018280, 4319651, 4936744, 6170930, 8639302, 12341860, 17278604, 21598255, 24683720, 34557208, 43196510, 86393020, 172786040]

約数ペア:

[(1, 172786040), (2, 86393020), (4, 43196510), (5, 34557208), (7, 24683720), (8, 21598255), (10, 17278604), (14, 12341860), (20, 8639302), (28, 6170930), (35, 4936744), (40, 4319651), (43, 4018280), (56, 3085465), (70, 2468372), (86, 2009140), (113, 1529080), (127, 1360520), (140, 1234186), (172, 1004570), (215, 803656), (226, 764540), (254, 680260), (280, 617093), (301, 574040), (344, 502285), (430, 401828), (452, 382270), (508, 340130), (565, 305816), (602, 287020), (635, 272104), (791, 218440), (860, 200914), (889, 194360), (904, 191135), (1016, 170065), (1130, 152908), (1204, 143510), (1270, 136052), (1505, 114808), (1582, 109220), (1720, 100457), (1778, 97180), (2260, 76454), (2408, 71755), (2540, 68026), (3010, 57404), (3164, 54610), (3556, 48590), (3955, 43688), (4445, 38872), (4520, 38227), (4859, 35560), (5080, 34013), (5461, 31640), (6020, 28702), (6328, 27305), (7112, 24295), (7910, 21844), (8890, 19436), (9718, 17780), (10922, 15820), (12040, 14351)]