261728640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{45439}}^1$

素因数の和:45464

約数の個数: 96

約数和(自身を含む): 903801600

約数和(自身を除く): 642072960

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 45439, 90878, 136317, 181756, 227195, 272634, 363512, 408951, 454390, 545268, 681585, 727024, 817902, 908780, 1090536, 1363170, 1454048, 1635804, 1817560, 2044755, 2181072, 2726340, 2908096, 3271608, 3635120, 4089510, 4362144, 5452680, 5816192, 6543216, 7270240, 8179020, 8724288, 10905360, 13086432, 14540480, 16358040, 17448576, 21810720, 26172864, 29080960, 32716080, 43621440, 52345728, 65432160, 87242880, 130864320, 261728640]

約数ペア:

[(1, 261728640), (2, 130864320), (3, 87242880), (4, 65432160), (5, 52345728), (6, 43621440), (8, 32716080), (9, 29080960), (10, 26172864), (12, 21810720), (15, 17448576), (16, 16358040), (18, 14540480), (20, 13086432), (24, 10905360), (30, 8724288), (32, 8179020), (36, 7270240), (40, 6543216), (45, 5816192), (48, 5452680), (60, 4362144), (64, 4089510), (72, 3635120), (80, 3271608), (90, 2908096), (96, 2726340), (120, 2181072), (128, 2044755), (144, 1817560), (160, 1635804), (180, 1454048), (192, 1363170), (240, 1090536), (288, 908780), (320, 817902), (360, 727024), (384, 681585), (480, 545268), (576, 454390), (640, 408951), (720, 363512), (960, 272634), (1152, 227195), (1440, 181756), (1920, 136317), (2880, 90878), (5760, 45439)]