129219760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 318908160

約数和(自身を除く): 189688400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 151, 152, 190, 302, 304, 380, 563, 604, 755, 760, 1126, 1208, 1510, 1520, 2252, 2416, 2815, 2869, 3020, 4504, 5630, 5738, 6040, 9008, 10697, 11260, 11476, 12080, 14345, 21394, 22520, 22952, 28690, 42788, 45040, 45904, 53485, 57380, 85013, 85576, 106970, 114760, 170026, 171152, 213940, 229520, 340052, 425065, 427880, 680104, 850130, 855760, 1360208, 1615247, 1700260, 3230494, 3400520, 6460988, 6801040, 8076235, 12921976, 16152470, 25843952, 32304940, 64609880, 129219760]

約数ペア:

[(1, 129219760), (2, 64609880), (4, 32304940), (5, 25843952), (8, 16152470), (10, 12921976), (16, 8076235), (19, 6801040), (20, 6460988), (38, 3400520), (40, 3230494), (76, 1700260), (80, 1615247), (95, 1360208), (151, 855760), (152, 850130), (190, 680104), (302, 427880), (304, 425065), (380, 340052), (563, 229520), (604, 213940), (755, 171152), (760, 170026), (1126, 114760), (1208, 106970), (1510, 85576), (1520, 85013), (2252, 57380), (2416, 53485), (2815, 45904), (2869, 45040), (3020, 42788), (4504, 28690), (5630, 22952), (5738, 22520), (6040, 21394), (9008, 14345), (10697, 12080), (11260, 11476)]