78445140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{76907}}^1$

素因数の和:76936

約数の個数: 48

約数和(自身を含む): 232569792

約数和(自身を除く): 154124652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 76907, 153814, 230721, 307628, 384535, 461442, 769070, 922884, 1153605, 1307419, 1538140, 2307210, 2614838, 3922257, 4614420, 5229676, 6537095, 7844514, 13074190, 15689028, 19611285, 26148380, 39222570, 78445140]

約数ペア:

[(1, 78445140), (2, 39222570), (3, 26148380), (4, 19611285), (5, 15689028), (6, 13074190), (10, 7844514), (12, 6537095), (15, 5229676), (17, 4614420), (20, 3922257), (30, 2614838), (34, 2307210), (51, 1538140), (60, 1307419), (68, 1153605), (85, 922884), (102, 769070), (170, 461442), (204, 384535), (255, 307628), (340, 230721), (510, 153814), (1020, 76907)]