74962980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{953}}^1$

素因数の和:1010

約数の個数: 144

約数和(自身を含む): 250024320

約数和(自身を除く): 175061340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 953, 1035, 1140, 1311, 1380, 1710, 1748, 1906, 2070, 2185, 2622, 2859, 3420, 3812, 3933, 4140, 4370, 4765, 5244, 5718, 6555, 7866, 8577, 8740, 9530, 11436, 13110, 14295, 15732, 17154, 18107, 19060, 19665, 21919, 26220, 28590, 34308, 36214, 39330, 42885, 43838, 54321, 57180, 65757, 72428, 78660, 85770, 87676, 90535, 108642, 109595, 131514, 162963, 171540, 181070, 197271, 217284, 219190, 263028, 271605, 325926, 328785, 362140, 394542, 416461, 438380, 543210, 651852, 657570, 789084, 814815, 832922, 986355, 1086420, 1249383, 1315140, 1629630, 1665844, 1972710, 2082305, 2498766, 3259260, 3748149, 3945420, 4164610, 4997532, 6246915, 7496298, 8329220, 12493830, 14992596, 18740745, 24987660, 37481490, 74962980]

約数ペア:

[(1, 74962980), (2, 37481490), (3, 24987660), (4, 18740745), (5, 14992596), (6, 12493830), (9, 8329220), (10, 7496298), (12, 6246915), (15, 4997532), (18, 4164610), (19, 3945420), (20, 3748149), (23, 3259260), (30, 2498766), (36, 2082305), (38, 1972710), (45, 1665844), (46, 1629630), (57, 1315140), (60, 1249383), (69, 1086420), (76, 986355), (90, 832922), (92, 814815), (95, 789084), (114, 657570), (115, 651852), (138, 543210), (171, 438380), (180, 416461), (190, 394542), (207, 362140), (228, 328785), (230, 325926), (276, 271605), (285, 263028), (342, 219190), (345, 217284), (380, 197271), (414, 181070), (437, 171540), (460, 162963), (570, 131514), (684, 109595), (690, 108642), (828, 90535), (855, 87676), (874, 85770), (953, 78660), (1035, 72428), (1140, 65757), (1311, 57180), (1380, 54321), (1710, 43838), (1748, 42885), (1906, 39330), (2070, 36214), (2185, 34308), (2622, 28590), (2859, 26220), (3420, 21919), (3812, 19665), (3933, 19060), (4140, 18107), (4370, 17154), (4765, 15732), (5244, 14295), (5718, 13110), (6555, 11436), (7866, 9530), (8577, 8740)]