74935620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21911}}^1$

素因数の和:21945

約数の個数: 72

約数和(自身を含む): 239279040

約数和(自身を除く): 164343420

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, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21911, 43822, 65733, 87644, 109555, 131466, 197199, 219110, 262932, 328665, 394398, 416309, 438220, 657330, 788796, 832618, 985995, 1248927, 1314660, 1665236, 1971990, 2081545, 2497854, 3746781, 3943980, 4163090, 4995708, 6244635, 7493562, 8326180, 12489270, 14987124, 18733905, 24978540, 37467810, 74935620]

約数ペア:

[(1, 74935620), (2, 37467810), (3, 24978540), (4, 18733905), (5, 14987124), (6, 12489270), (9, 8326180), (10, 7493562), (12, 6244635), (15, 4995708), (18, 4163090), (19, 3943980), (20, 3746781), (30, 2497854), (36, 2081545), (38, 1971990), (45, 1665236), (57, 1314660), (60, 1248927), (76, 985995), (90, 832618), (95, 788796), (114, 657330), (171, 438220), (180, 416309), (190, 394398), (228, 328665), (285, 262932), (342, 219110), (380, 197199), (570, 131466), (684, 109555), (855, 87644), (1140, 65733), (1710, 43822), (3420, 21911)]