138216640

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 112

約数和(自身を含む): 351129600

約数和(自身を除く): 212912960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 152, 160, 179, 190, 254, 304, 320, 358, 380, 508, 608, 635, 716, 760, 895, 1016, 1216, 1270, 1432, 1520, 1790, 2032, 2413, 2540, 2864, 3040, 3401, 3580, 4064, 4826, 5080, 5728, 6080, 6802, 7160, 8128, 9652, 10160, 11456, 12065, 13604, 14320, 17005, 19304, 20320, 22733, 24130, 27208, 28640, 34010, 38608, 40640, 45466, 48260, 54416, 57280, 68020, 77216, 90932, 96520, 108832, 113665, 136040, 154432, 181864, 193040, 217664, 227330, 272080, 363728, 386080, 431927, 454660, 544160, 727456, 772160, 863854, 909320, 1088320, 1454912, 1727708, 1818640, 2159635, 3455416, 3637280, 4319270, 6910832, 7274560, 8638540, 13821664, 17277080, 27643328, 34554160, 69108320, 138216640]

約数ペア:

[(1, 138216640), (2, 69108320), (4, 34554160), (5, 27643328), (8, 17277080), (10, 13821664), (16, 8638540), (19, 7274560), (20, 6910832), (32, 4319270), (38, 3637280), (40, 3455416), (64, 2159635), (76, 1818640), (80, 1727708), (95, 1454912), (127, 1088320), (152, 909320), (160, 863854), (179, 772160), (190, 727456), (254, 544160), (304, 454660), (320, 431927), (358, 386080), (380, 363728), (508, 272080), (608, 227330), (635, 217664), (716, 193040), (760, 181864), (895, 154432), (1016, 136040), (1216, 113665), (1270, 108832), (1432, 96520), (1520, 90932), (1790, 77216), (2032, 68020), (2413, 57280), (2540, 54416), (2864, 48260), (3040, 45466), (3401, 40640), (3580, 38608), (4064, 34010), (4826, 28640), (5080, 27208), (5728, 24130), (6080, 22733), (6802, 20320), (7160, 19304), (8128, 17005), (9652, 14320), (10160, 13604), (11456, 12065)]