31706820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 103434240

約数和(自身を除く): 71727420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 73, 76, 90, 95, 114, 127, 146, 171, 180, 190, 219, 228, 254, 285, 292, 342, 365, 380, 381, 438, 508, 570, 635, 657, 684, 730, 762, 855, 876, 1095, 1140, 1143, 1270, 1314, 1387, 1460, 1524, 1710, 1905, 2190, 2286, 2413, 2540, 2628, 2774, 3285, 3420, 3810, 4161, 4380, 4572, 4826, 5548, 5715, 6570, 6935, 7239, 7620, 8322, 9271, 9652, 11430, 12065, 12483, 13140, 13870, 14478, 16644, 18542, 20805, 21717, 22860, 24130, 24966, 27740, 27813, 28956, 36195, 37084, 41610, 43434, 46355, 48260, 49932, 55626, 62415, 72390, 83220, 83439, 86868, 92710, 108585, 111252, 124830, 139065, 144780, 166878, 176149, 185420, 217170, 249660, 278130, 333756, 352298, 417195, 434340, 528447, 556260, 704596, 834390, 880745, 1056894, 1585341, 1668780, 1761490, 2113788, 2642235, 3170682, 3522980, 5284470, 6341364, 7926705, 10568940, 15853410, 31706820]

約数ペア:

[(1, 31706820), (2, 15853410), (3, 10568940), (4, 7926705), (5, 6341364), (6, 5284470), (9, 3522980), (10, 3170682), (12, 2642235), (15, 2113788), (18, 1761490), (19, 1668780), (20, 1585341), (30, 1056894), (36, 880745), (38, 834390), (45, 704596), (57, 556260), (60, 528447), (73, 434340), (76, 417195), (90, 352298), (95, 333756), (114, 278130), (127, 249660), (146, 217170), (171, 185420), (180, 176149), (190, 166878), (219, 144780), (228, 139065), (254, 124830), (285, 111252), (292, 108585), (342, 92710), (365, 86868), (380, 83439), (381, 83220), (438, 72390), (508, 62415), (570, 55626), (635, 49932), (657, 48260), (684, 46355), (730, 43434), (762, 41610), (855, 37084), (876, 36195), (1095, 28956), (1140, 27813), (1143, 27740), (1270, 24966), (1314, 24130), (1387, 22860), (1460, 21717), (1524, 20805), (1710, 18542), (1905, 16644), (2190, 14478), (2286, 13870), (2413, 13140), (2540, 12483), (2628, 12065), (2774, 11430), (3285, 9652), (3420, 9271), (3810, 8322), (4161, 7620), (4380, 7239), (4572, 6935), (4826, 6570), (5548, 5715)]