256560084

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 733824000

約数和(自身を除く): 477263916

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 59, 66, 79, 99, 118, 132, 139, 158, 177, 198, 236, 237, 278, 316, 354, 396, 417, 474, 531, 556, 649, 708, 711, 834, 869, 948, 1062, 1251, 1298, 1422, 1529, 1668, 1738, 1947, 2124, 2502, 2596, 2607, 2844, 3058, 3476, 3894, 4587, 4661, 5004, 5214, 5841, 6116, 7788, 7821, 8201, 9174, 9322, 10428, 10981, 11682, 13761, 13983, 15642, 16402, 18348, 18644, 21962, 23364, 24603, 27522, 27966, 31284, 32804, 32943, 41949, 43924, 49206, 51271, 55044, 55932, 65886, 73809, 83898, 90211, 98412, 98829, 102542, 120791, 131772, 147618, 153813, 167796, 180422, 197658, 205084, 241582, 270633, 295236, 307626, 360844, 362373, 395316, 461439, 483164, 541266, 615252, 647879, 724746, 811899, 922878, 1082532, 1087119, 1295758, 1449492, 1623798, 1845756, 1943637, 2174238, 2591516, 3247596, 3887274, 4348476, 5830911, 7126669, 7774548, 11661822, 14253338, 21380007, 23323644, 28506676, 42760014, 64140021, 85520028, 128280042, 256560084]

約数ペア:

[(1, 256560084), (2, 128280042), (3, 85520028), (4, 64140021), (6, 42760014), (9, 28506676), (11, 23323644), (12, 21380007), (18, 14253338), (22, 11661822), (33, 7774548), (36, 7126669), (44, 5830911), (59, 4348476), (66, 3887274), (79, 3247596), (99, 2591516), (118, 2174238), (132, 1943637), (139, 1845756), (158, 1623798), (177, 1449492), (198, 1295758), (236, 1087119), (237, 1082532), (278, 922878), (316, 811899), (354, 724746), (396, 647879), (417, 615252), (474, 541266), (531, 483164), (556, 461439), (649, 395316), (708, 362373), (711, 360844), (834, 307626), (869, 295236), (948, 270633), (1062, 241582), (1251, 205084), (1298, 197658), (1422, 180422), (1529, 167796), (1668, 153813), (1738, 147618), (1947, 131772), (2124, 120791), (2502, 102542), (2596, 98829), (2607, 98412), (2844, 90211), (3058, 83898), (3476, 73809), (3894, 65886), (4587, 55932), (4661, 55044), (5004, 51271), (5214, 49206), (5841, 43924), (6116, 41949), (7788, 32943), (7821, 32804), (8201, 31284), (9174, 27966), (9322, 27522), (10428, 24603), (10981, 23364), (11682, 21962), (13761, 18644), (13983, 18348), (15642, 16402)]