255339360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{177319}}^1$

素因数の和:177340

約数の個数: 72

約数和(自身を含む): 871350480

約数和(自身を除く): 616011120

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, 177319, 354638, 531957, 709276, 886595, 1063914, 1418552, 1595871, 1773190, 2127828, 2659785, 2837104, 3191742, 3546380, 4255656, 5319570, 5674208, 6383484, 7092760, 7979355, 8511312, 10639140, 12766968, 14185520, 15958710, 17022624, 21278280, 25533936, 28371040, 31917420, 42556560, 51067872, 63834840, 85113120, 127669680, 255339360]

約数ペア:

[(1, 255339360), (2, 127669680), (3, 85113120), (4, 63834840), (5, 51067872), (6, 42556560), (8, 31917420), (9, 28371040), (10, 25533936), (12, 21278280), (15, 17022624), (16, 15958710), (18, 14185520), (20, 12766968), (24, 10639140), (30, 8511312), (32, 7979355), (36, 7092760), (40, 6383484), (45, 5674208), (48, 5319570), (60, 4255656), (72, 3546380), (80, 3191742), (90, 2837104), (96, 2659785), (120, 2127828), (144, 1773190), (160, 1595871), (180, 1418552), (240, 1063914), (288, 886595), (360, 709276), (480, 531957), (720, 354638), (1440, 177319)]