258535920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1077233}}^1$

素因数の和:1077249

約数の個数: 40

約数和(自身を含む): 801462096

約数和(自身を除く): 542926176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1077233, 2154466, 3231699, 4308932, 5386165, 6463398, 8617864, 10772330, 12926796, 16158495, 17235728, 21544660, 25853592, 32316990, 43089320, 51707184, 64633980, 86178640, 129267960, 258535920]

約数ペア:

[(1, 258535920), (2, 129267960), (3, 86178640), (4, 64633980), (5, 51707184), (6, 43089320), (8, 32316990), (10, 25853592), (12, 21544660), (15, 17235728), (16, 16158495), (20, 12926796), (24, 10772330), (30, 8617864), (40, 6463398), (48, 5386165), (60, 4308932), (80, 3231699), (120, 2154466), (240, 1077233)]