84739760

素因数分解:

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

素因数の和:798

約数の個数: 60

約数和(自身を含む): 225745968

約数和(自身を除く): 141006208

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, 1556, 1945, 2723, 3112, 3890, 5446, 6224, 7780, 10892, 13615, 15560, 21784, 27230, 31120, 43568, 54460, 108920, 151321, 217840, 302642, 605284, 756605, 1059247, 1210568, 1513210, 2118494, 2421136, 3026420, 4236988, 5296235, 6052840, 8473976, 10592470, 12105680, 16947952, 21184940, 42369880, 84739760]

約数ペア:

[(1, 84739760), (2, 42369880), (4, 21184940), (5, 16947952), (7, 12105680), (8, 10592470), (10, 8473976), (14, 6052840), (16, 5296235), (20, 4236988), (28, 3026420), (35, 2421136), (40, 2118494), (56, 1513210), (70, 1210568), (80, 1059247), (112, 756605), (140, 605284), (280, 302642), (389, 217840), (560, 151321), (778, 108920), (1556, 54460), (1945, 43568), (2723, 31120), (3112, 27230), (3890, 21784), (5446, 15560), (6224, 13615), (7780, 10892)]