278640

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{43}}^1$

素因数の和:68

約数の個数: 100

約数和(自身を含む): 990264

約数和(自身を除く): 711624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 81, 86, 90, 108, 120, 129, 135, 144, 162, 172, 180, 215, 216, 240, 258, 270, 324, 344, 360, 387, 405, 430, 432, 516, 540, 645, 648, 688, 720, 774, 810, 860, 1032, 1080, 1161, 1290, 1296, 1548, 1620, 1720, 1935, 2064, 2160, 2322, 2580, 3096, 3240, 3440, 3483, 3870, 4644, 5160, 5805, 6192, 6480, 6966, 7740, 9288, 10320, 11610, 13932, 15480, 17415, 18576, 23220, 27864, 30960, 34830, 46440, 55728, 69660, 92880, 139320, 278640]

約数ペア:

[(1, 278640), (2, 139320), (3, 92880), (4, 69660), (5, 55728), (6, 46440), (8, 34830), (9, 30960), (10, 27864), (12, 23220), (15, 18576), (16, 17415), (18, 15480), (20, 13932), (24, 11610), (27, 10320), (30, 9288), (36, 7740), (40, 6966), (43, 6480), (45, 6192), (48, 5805), (54, 5160), (60, 4644), (72, 3870), (80, 3483), (81, 3440), (86, 3240), (90, 3096), (108, 2580), (120, 2322), (129, 2160), (135, 2064), (144, 1935), (162, 1720), (172, 1620), (180, 1548), (215, 1296), (216, 1290), (240, 1161), (258, 1080), (270, 1032), (324, 860), (344, 810), (360, 774), (387, 720), (405, 688), (430, 648), (432, 645), (516, 540)]