140576760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{390491}}^1$

素因数の和:390508

約数の個数: 48

約数和(自身を含む): 456875640

約数和(自身を除く): 316298880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 390491, 780982, 1171473, 1561964, 1952455, 2342946, 3123928, 3514419, 3904910, 4685892, 5857365, 7028838, 7809820, 9371784, 11714730, 14057676, 15619640, 17572095, 23429460, 28115352, 35144190, 46858920, 70288380, 140576760]

約数ペア:

[(1, 140576760), (2, 70288380), (3, 46858920), (4, 35144190), (5, 28115352), (6, 23429460), (8, 17572095), (9, 15619640), (10, 14057676), (12, 11714730), (15, 9371784), (18, 7809820), (20, 7028838), (24, 5857365), (30, 4685892), (36, 3904910), (40, 3514419), (45, 3123928), (60, 2342946), (72, 1952455), (90, 1561964), (120, 1171473), (180, 780982), (360, 390491)]