2180460978

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{863}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 4926873600

約数和(自身を除く): 2746412622

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 659, 863, 1278, 1318, 1726, 1917, 1977, 2589, 3834, 3954, 5178, 5931, 7767, 11862, 15534, 17793, 23301, 35586, 46602, 46789, 61273, 93578, 122546, 140367, 183819, 280734, 367638, 421101, 551457, 568717, 842202, 1102914, 1137434, 1263303, 1654371, 1706151, 2526606, 3308742, 3412302, 5118453, 10236906, 15355359, 30710718, 40378907, 80757814, 121136721, 242273442, 363410163, 726820326, 1090230489, 2180460978]

約数ペア:

[(1, 2180460978), (2, 1090230489), (3, 726820326), (6, 363410163), (9, 242273442), (18, 121136721), (27, 80757814), (54, 40378907), (71, 30710718), (142, 15355359), (213, 10236906), (426, 5118453), (639, 3412302), (659, 3308742), (863, 2526606), (1278, 1706151), (1318, 1654371), (1726, 1263303), (1917, 1137434), (1977, 1102914), (2589, 842202), (3834, 568717), (3954, 551457), (5178, 421101), (5931, 367638), (7767, 280734), (11862, 183819), (15534, 140367), (17793, 122546), (23301, 93578), (35586, 61273), (46602, 46789)]