16922920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3181}}^1$

素因数の和:3218

約数の個数: 64

約数和(自身を含む): 45820800

約数和(自身を除く): 28897880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3181, 5320, 6362, 12724, 15905, 22267, 25448, 31810, 44534, 60439, 63620, 89068, 111335, 120878, 127240, 178136, 222670, 241756, 302195, 423073, 445340, 483512, 604390, 846146, 890680, 1208780, 1692292, 2115365, 2417560, 3384584, 4230730, 8461460, 16922920]

約数ペア:

[(1, 16922920), (2, 8461460), (4, 4230730), (5, 3384584), (7, 2417560), (8, 2115365), (10, 1692292), (14, 1208780), (19, 890680), (20, 846146), (28, 604390), (35, 483512), (38, 445340), (40, 423073), (56, 302195), (70, 241756), (76, 222670), (95, 178136), (133, 127240), (140, 120878), (152, 111335), (190, 89068), (266, 63620), (280, 60439), (380, 44534), (532, 31810), (665, 25448), (760, 22267), (1064, 15905), (1330, 12724), (2660, 6362), (3181, 5320)]