1243872

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{617}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 4049136

約数和(自身を除く): 2805264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 617, 672, 1008, 1234, 1851, 2016, 2468, 3702, 4319, 4936, 5553, 7404, 8638, 9872, 11106, 12957, 14808, 17276, 19744, 22212, 25914, 29616, 34552, 38871, 44424, 51828, 59232, 69104, 77742, 88848, 103656, 138208, 155484, 177696, 207312, 310968, 414624, 621936, 1243872]

約数ペア:

[(1, 1243872), (2, 621936), (3, 414624), (4, 310968), (6, 207312), (7, 177696), (8, 155484), (9, 138208), (12, 103656), (14, 88848), (16, 77742), (18, 69104), (21, 59232), (24, 51828), (28, 44424), (32, 38871), (36, 34552), (42, 29616), (48, 25914), (56, 22212), (63, 19744), (72, 17276), (84, 14808), (96, 12957), (112, 11106), (126, 9872), (144, 8638), (168, 7404), (224, 5553), (252, 4936), (288, 4319), (336, 3702), (504, 2468), (617, 2016), (672, 1851), (1008, 1234)]