290708640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{201881}}^1$

素因数の和:201902

約数の個数: 72

約数和(自身を含む): 992048148

約数和(自身を除く): 701339508

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 201881, 403762, 605643, 807524, 1009405, 1211286, 1615048, 1816929, 2018810, 2422572, 3028215, 3230096, 3633858, 4037620, 4845144, 6056430, 6460192, 7267716, 8075240, 9084645, 9690288, 12112860, 14535432, 16150480, 18169290, 19380576, 24225720, 29070864, 32300960, 36338580, 48451440, 58141728, 72677160, 96902880, 145354320, 290708640]

約数ペア:

[(1, 290708640), (2, 145354320), (3, 96902880), (4, 72677160), (5, 58141728), (6, 48451440), (8, 36338580), (9, 32300960), (10, 29070864), (12, 24225720), (15, 19380576), (16, 18169290), (18, 16150480), (20, 14535432), (24, 12112860), (30, 9690288), (32, 9084645), (36, 8075240), (40, 7267716), (45, 6460192), (48, 6056430), (60, 4845144), (72, 4037620), (80, 3633858), (90, 3230096), (96, 3028215), (120, 2422572), (144, 2018810), (160, 1816929), (180, 1615048), (240, 1211286), (288, 1009405), (360, 807524), (480, 605643), (720, 403762), (1440, 201881)]