641088

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{53}}^1$

素因数の和:81

約数の個数: 112

約数和(自身を含む): 2194560

約数和(自身を除く): 1553472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 53, 54, 56, 63, 64, 72, 84, 96, 106, 108, 112, 126, 144, 159, 168, 189, 192, 212, 216, 224, 252, 288, 318, 336, 371, 378, 424, 432, 448, 477, 504, 576, 636, 672, 742, 756, 848, 864, 954, 1008, 1113, 1272, 1344, 1431, 1484, 1512, 1696, 1728, 1908, 2016, 2226, 2544, 2862, 2968, 3024, 3339, 3392, 3816, 4032, 4452, 5088, 5724, 5936, 6048, 6678, 7632, 8904, 10017, 10176, 11448, 11872, 12096, 13356, 15264, 17808, 20034, 22896, 23744, 26712, 30528, 35616, 40068, 45792, 53424, 71232, 80136, 91584, 106848, 160272, 213696, 320544, 641088]

約数ペア:

[(1, 641088), (2, 320544), (3, 213696), (4, 160272), (6, 106848), (7, 91584), (8, 80136), (9, 71232), (12, 53424), (14, 45792), (16, 40068), (18, 35616), (21, 30528), (24, 26712), (27, 23744), (28, 22896), (32, 20034), (36, 17808), (42, 15264), (48, 13356), (53, 12096), (54, 11872), (56, 11448), (63, 10176), (64, 10017), (72, 8904), (84, 7632), (96, 6678), (106, 6048), (108, 5936), (112, 5724), (126, 5088), (144, 4452), (159, 4032), (168, 3816), (189, 3392), (192, 3339), (212, 3024), (216, 2968), (224, 2862), (252, 2544), (288, 2226), (318, 2016), (336, 1908), (371, 1728), (378, 1696), (424, 1512), (432, 1484), (448, 1431), (477, 1344), (504, 1272), (576, 1113), (636, 1008), (672, 954), (742, 864), (756, 848)]