81728136

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:496

約数の個数: 128

約数和(自身を含む): 261734400

約数和(自身を除く): 180006264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 191, 216, 252, 283, 378, 382, 504, 566, 573, 756, 764, 849, 1132, 1146, 1337, 1512, 1528, 1698, 1719, 1981, 2264, 2292, 2547, 2674, 3396, 3438, 3962, 4011, 4584, 5094, 5157, 5348, 5943, 6792, 6876, 7641, 7924, 8022, 10188, 10314, 10696, 11886, 12033, 13752, 15282, 15848, 16044, 17829, 20376, 20628, 23772, 24066, 30564, 32088, 35658, 36099, 41256, 47544, 48132, 53487, 54053, 61128, 71316, 72198, 96264, 106974, 108106, 142632, 144396, 162159, 213948, 216212, 288792, 324318, 378371, 427896, 432424, 486477, 648636, 756742, 972954, 1135113, 1297272, 1459431, 1513484, 1945908, 2270226, 2918862, 3026968, 3405339, 3891816, 4540452, 5837724, 6810678, 9080904, 10216017, 11675448, 13621356, 20432034, 27242712, 40864068, 81728136]

約数ペア:

[(1, 81728136), (2, 40864068), (3, 27242712), (4, 20432034), (6, 13621356), (7, 11675448), (8, 10216017), (9, 9080904), (12, 6810678), (14, 5837724), (18, 4540452), (21, 3891816), (24, 3405339), (27, 3026968), (28, 2918862), (36, 2270226), (42, 1945908), (54, 1513484), (56, 1459431), (63, 1297272), (72, 1135113), (84, 972954), (108, 756742), (126, 648636), (168, 486477), (189, 432424), (191, 427896), (216, 378371), (252, 324318), (283, 288792), (378, 216212), (382, 213948), (504, 162159), (566, 144396), (573, 142632), (756, 108106), (764, 106974), (849, 96264), (1132, 72198), (1146, 71316), (1337, 61128), (1512, 54053), (1528, 53487), (1698, 48132), (1719, 47544), (1981, 41256), (2264, 36099), (2292, 35658), (2547, 32088), (2674, 30564), (3396, 24066), (3438, 23772), (3962, 20628), (4011, 20376), (4584, 17829), (5094, 16044), (5157, 15848), (5348, 15282), (5943, 13752), (6792, 12033), (6876, 11886), (7641, 10696), (7924, 10314), (8022, 10188)]