764062480

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 1805598720

約数和(自身を除く): 1041536240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 157, 254, 314, 479, 508, 628, 635, 785, 958, 1016, 1256, 1270, 1570, 1916, 2032, 2395, 2512, 2540, 3140, 3832, 4790, 5080, 6280, 7664, 9580, 10160, 12560, 19160, 19939, 38320, 39878, 60833, 75203, 79756, 99695, 121666, 150406, 159512, 199390, 243332, 300812, 304165, 319024, 376015, 398780, 486664, 601624, 608330, 752030, 797560, 973328, 1203248, 1216660, 1504060, 1595120, 2433320, 3008120, 4866640, 6016240, 9550781, 19101562, 38203124, 47753905, 76406248, 95507810, 152812496, 191015620, 382031240, 764062480]

約数ペア:

[(1, 764062480), (2, 382031240), (4, 191015620), (5, 152812496), (8, 95507810), (10, 76406248), (16, 47753905), (20, 38203124), (40, 19101562), (80, 9550781), (127, 6016240), (157, 4866640), (254, 3008120), (314, 2433320), (479, 1595120), (508, 1504060), (628, 1216660), (635, 1203248), (785, 973328), (958, 797560), (1016, 752030), (1256, 608330), (1270, 601624), (1570, 486664), (1916, 398780), (2032, 376015), (2395, 319024), (2512, 304165), (2540, 300812), (3140, 243332), (3832, 199390), (4790, 159512), (5080, 150406), (6280, 121666), (7664, 99695), (9580, 79756), (10160, 75203), (12560, 60833), (19160, 39878), (19939, 38320)]