121198640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 289505280

約数和(自身を除く): 168306640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 127, 151, 158, 254, 302, 316, 395, 508, 604, 632, 635, 755, 790, 1016, 1208, 1264, 1270, 1510, 1580, 2032, 2416, 2540, 3020, 3160, 5080, 6040, 6320, 10033, 10160, 11929, 12080, 19177, 20066, 23858, 38354, 40132, 47716, 50165, 59645, 76708, 80264, 95432, 95885, 100330, 119290, 153416, 160528, 190864, 191770, 200660, 238580, 306832, 383540, 401320, 477160, 767080, 802640, 954320, 1514983, 1534160, 3029966, 6059932, 7574915, 12119864, 15149830, 24239728, 30299660, 60599320, 121198640]

約数ペア:

[(1, 121198640), (2, 60599320), (4, 30299660), (5, 24239728), (8, 15149830), (10, 12119864), (16, 7574915), (20, 6059932), (40, 3029966), (79, 1534160), (80, 1514983), (127, 954320), (151, 802640), (158, 767080), (254, 477160), (302, 401320), (316, 383540), (395, 306832), (508, 238580), (604, 200660), (632, 191770), (635, 190864), (755, 160528), (790, 153416), (1016, 119290), (1208, 100330), (1264, 95885), (1270, 95432), (1510, 80264), (1580, 76708), (2032, 59645), (2416, 50165), (2540, 47716), (3020, 40132), (3160, 38354), (5080, 23858), (6040, 20066), (6320, 19177), (10033, 12080), (10160, 11929)]