381077520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21751}}^1$

素因数の和:21840

約数の個数: 80

約数和(自身を含む): 1197578112

約数和(自身を除く): 816500592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 17520, 21751, 43502, 65253, 87004, 108755, 130506, 174008, 217510, 261012, 326265, 348016, 435020, 522024, 652530, 870040, 1044048, 1305060, 1587823, 1740080, 2610120, 3175646, 4763469, 5220240, 6351292, 7939115, 9526938, 12702584, 15878230, 19053876, 23817345, 25405168, 31756460, 38107752, 47634690, 63512920, 76215504, 95269380, 127025840, 190538760, 381077520]

約数ペア:

[(1, 381077520), (2, 190538760), (3, 127025840), (4, 95269380), (5, 76215504), (6, 63512920), (8, 47634690), (10, 38107752), (12, 31756460), (15, 25405168), (16, 23817345), (20, 19053876), (24, 15878230), (30, 12702584), (40, 9526938), (48, 7939115), (60, 6351292), (73, 5220240), (80, 4763469), (120, 3175646), (146, 2610120), (219, 1740080), (240, 1587823), (292, 1305060), (365, 1044048), (438, 870040), (584, 652530), (730, 522024), (876, 435020), (1095, 348016), (1168, 326265), (1460, 261012), (1752, 217510), (2190, 174008), (2920, 130506), (3504, 108755), (4380, 87004), (5840, 65253), (8760, 43502), (17520, 21751)]