198493380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:618

約数の個数: 144

約数和(自身を含む): 640174080

約数和(自身を除く): 441680700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 127, 171, 180, 190, 228, 254, 285, 342, 380, 381, 457, 508, 570, 635, 684, 762, 855, 914, 1140, 1143, 1270, 1371, 1524, 1710, 1828, 1905, 2285, 2286, 2413, 2540, 2742, 3420, 3810, 4113, 4570, 4572, 4826, 5484, 5715, 6855, 7239, 7620, 8226, 8683, 9140, 9652, 11430, 12065, 13710, 14478, 16452, 17366, 20565, 21717, 22860, 24130, 26049, 27420, 28956, 34732, 36195, 41130, 43415, 43434, 48260, 52098, 58039, 72390, 78147, 82260, 86830, 86868, 104196, 108585, 116078, 130245, 144780, 156294, 173660, 174117, 217170, 232156, 260490, 290195, 312588, 348234, 390735, 434340, 520980, 522351, 580390, 696468, 781470, 870585, 1044702, 1102741, 1160780, 1562940, 1741170, 2089404, 2205482, 2611755, 3308223, 3482340, 4410964, 5223510, 5513705, 6616446, 9924669, 10447020, 11027410, 13232892, 16541115, 19849338, 22054820, 33082230, 39698676, 49623345, 66164460, 99246690, 198493380]

約数ペア:

[(1, 198493380), (2, 99246690), (3, 66164460), (4, 49623345), (5, 39698676), (6, 33082230), (9, 22054820), (10, 19849338), (12, 16541115), (15, 13232892), (18, 11027410), (19, 10447020), (20, 9924669), (30, 6616446), (36, 5513705), (38, 5223510), (45, 4410964), (57, 3482340), (60, 3308223), (76, 2611755), (90, 2205482), (95, 2089404), (114, 1741170), (127, 1562940), (171, 1160780), (180, 1102741), (190, 1044702), (228, 870585), (254, 781470), (285, 696468), (342, 580390), (380, 522351), (381, 520980), (457, 434340), (508, 390735), (570, 348234), (635, 312588), (684, 290195), (762, 260490), (855, 232156), (914, 217170), (1140, 174117), (1143, 173660), (1270, 156294), (1371, 144780), (1524, 130245), (1710, 116078), (1828, 108585), (1905, 104196), (2285, 86868), (2286, 86830), (2413, 82260), (2540, 78147), (2742, 72390), (3420, 58039), (3810, 52098), (4113, 48260), (4570, 43434), (4572, 43415), (4826, 41130), (5484, 36195), (5715, 34732), (6855, 28956), (7239, 27420), (7620, 26049), (8226, 24130), (8683, 22860), (9140, 21717), (9652, 20565), (11430, 17366), (12065, 16452), (13710, 14478)]