81229260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{3947}}^1$

素因数の和:3980

約数の個数: 96

約数和(自身を含む): 265305600

約数和(自身を除く): 184076340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1470, 1715, 2058, 2940, 3430, 3947, 4116, 5145, 6860, 7894, 10290, 11841, 15788, 19735, 20580, 23682, 27629, 39470, 47364, 55258, 59205, 78940, 82887, 110516, 118410, 138145, 165774, 193403, 236820, 276290, 331548, 386806, 414435, 552580, 580209, 773612, 828870, 967015, 1160418, 1353821, 1657740, 1934030, 2320836, 2707642, 2901045, 3868060, 4061463, 5415284, 5802090, 6769105, 8122926, 11604180, 13538210, 16245852, 20307315, 27076420, 40614630, 81229260]

約数ペア:

[(1, 81229260), (2, 40614630), (3, 27076420), (4, 20307315), (5, 16245852), (6, 13538210), (7, 11604180), (10, 8122926), (12, 6769105), (14, 5802090), (15, 5415284), (20, 4061463), (21, 3868060), (28, 2901045), (30, 2707642), (35, 2320836), (42, 1934030), (49, 1657740), (60, 1353821), (70, 1160418), (84, 967015), (98, 828870), (105, 773612), (140, 580209), (147, 552580), (196, 414435), (210, 386806), (245, 331548), (294, 276290), (343, 236820), (420, 193403), (490, 165774), (588, 138145), (686, 118410), (735, 110516), (980, 82887), (1029, 78940), (1372, 59205), (1470, 55258), (1715, 47364), (2058, 39470), (2940, 27629), (3430, 23682), (3947, 20580), (4116, 19735), (5145, 15788), (6860, 11841), (7894, 10290)]