142842780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3761}}^1$

素因数の和:3987

約数の個数: 72

約数和(自身を含む): 435459024

約数和(自身を除く): 292616244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3761, 3798, 4220, 6330, 7522, 7596, 9495, 11283, 12660, 15044, 18805, 18990, 22566, 33849, 37610, 37980, 45132, 56415, 67698, 75220, 112830, 135396, 169245, 225660, 338490, 676980, 793571, 1587142, 2380713, 3174284, 3967855, 4761426, 7142139, 7935710, 9522852, 11903565, 14284278, 15871420, 23807130, 28568556, 35710695, 47614260, 71421390, 142842780]

約数ペア:

[(1, 142842780), (2, 71421390), (3, 47614260), (4, 35710695), (5, 28568556), (6, 23807130), (9, 15871420), (10, 14284278), (12, 11903565), (15, 9522852), (18, 7935710), (20, 7142139), (30, 4761426), (36, 3967855), (45, 3174284), (60, 2380713), (90, 1587142), (180, 793571), (211, 676980), (422, 338490), (633, 225660), (844, 169245), (1055, 135396), (1266, 112830), (1899, 75220), (2110, 67698), (2532, 56415), (3165, 45132), (3761, 37980), (3798, 37610), (4220, 33849), (6330, 22566), (7522, 18990), (7596, 18805), (9495, 15044), (11283, 12660)]