207601520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{953}}^1$

素因数の和:1362

約数の個数: 80

約数和(自身を含む): 553625280

約数和(自身を除く): 346023760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 389, 560, 778, 953, 1556, 1906, 1945, 2723, 3112, 3812, 3890, 4765, 5446, 6224, 6671, 7624, 7780, 9530, 10892, 13342, 13615, 15248, 15560, 19060, 21784, 26684, 27230, 31120, 33355, 38120, 43568, 53368, 54460, 66710, 76240, 106736, 108920, 133420, 217840, 266840, 370717, 533680, 741434, 1482868, 1853585, 2595019, 2965736, 3707170, 5190038, 5931472, 7414340, 10380076, 12975095, 14828680, 20760152, 25950190, 29657360, 41520304, 51900380, 103800760, 207601520]

約数ペア:

[(1, 207601520), (2, 103800760), (4, 51900380), (5, 41520304), (7, 29657360), (8, 25950190), (10, 20760152), (14, 14828680), (16, 12975095), (20, 10380076), (28, 7414340), (35, 5931472), (40, 5190038), (56, 3707170), (70, 2965736), (80, 2595019), (112, 1853585), (140, 1482868), (280, 741434), (389, 533680), (560, 370717), (778, 266840), (953, 217840), (1556, 133420), (1906, 108920), (1945, 106736), (2723, 76240), (3112, 66710), (3812, 54460), (3890, 53368), (4765, 43568), (5446, 38120), (6224, 33355), (6671, 31120), (7624, 27230), (7780, 26684), (9530, 21784), (10892, 19060), (13342, 15560), (13615, 15248)]