256746720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{534889}}^1$

素因数の和:534907

約数の個数: 48

約数和(自身を含む): 808753680

約数和(自身を除く): 552006960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 534889, 1069778, 1604667, 2139556, 2674445, 3209334, 4279112, 5348890, 6418668, 8023335, 8558224, 10697780, 12837336, 16046670, 17116448, 21395560, 25674672, 32093340, 42791120, 51349344, 64186680, 85582240, 128373360, 256746720]

約数ペア:

[(1, 256746720), (2, 128373360), (3, 85582240), (4, 64186680), (5, 51349344), (6, 42791120), (8, 32093340), (10, 25674672), (12, 21395560), (15, 17116448), (16, 16046670), (20, 12837336), (24, 10697780), (30, 8558224), (32, 8023335), (40, 6418668), (48, 5348890), (60, 4279112), (80, 3209334), (96, 2674445), (120, 2139556), (160, 1604667), (240, 1069778), (480, 534889)]