78660

素因数分解:

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

素因数の和:57

約数の個数: 72

約数和(自身を含む): 262080

約数和(自身を除く): 183420

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, 1035, 1140, 1311, 1380, 1710, 1748, 2070, 2185, 2622, 3420, 3933, 4140, 4370, 5244, 6555, 7866, 8740, 13110, 15732, 19665, 26220, 39330, 78660]

約数ペア:

[(1, 78660), (2, 39330), (3, 26220), (4, 19665), (5, 15732), (6, 13110), (9, 8740), (10, 7866), (12, 6555), (15, 5244), (18, 4370), (19, 4140), (20, 3933), (23, 3420), (30, 2622), (36, 2185), (38, 2070), (45, 1748), (46, 1710), (57, 1380), (60, 1311), (69, 1140), (76, 1035), (90, 874), (92, 855), (95, 828), (114, 690), (115, 684), (138, 570), (171, 460), (180, 437), (190, 414), (207, 380), (228, 345), (230, 342), (276, 285)]