256376160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178039}}^1$

素因数の和:178060

約数の個数: 72

約数和(自身を含む): 874888560

約数和(自身を除く): 618512400

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, 178039, 356078, 534117, 712156, 890195, 1068234, 1424312, 1602351, 1780390, 2136468, 2670585, 2848624, 3204702, 3560780, 4272936, 5341170, 5697248, 6409404, 7121560, 8011755, 8545872, 10682340, 12818808, 14243120, 16023510, 17091744, 21364680, 25637616, 28486240, 32047020, 42729360, 51275232, 64094040, 85458720, 128188080, 256376160]

約数ペア:

[(1, 256376160), (2, 128188080), (3, 85458720), (4, 64094040), (5, 51275232), (6, 42729360), (8, 32047020), (9, 28486240), (10, 25637616), (12, 21364680), (15, 17091744), (16, 16023510), (18, 14243120), (20, 12818808), (24, 10682340), (30, 8545872), (32, 8011755), (36, 7121560), (40, 6409404), (45, 5697248), (48, 5341170), (60, 4272936), (72, 3560780), (80, 3204702), (90, 2848624), (96, 2670585), (120, 2136468), (144, 1780390), (160, 1602351), (180, 1424312), (240, 1068234), (288, 890195), (360, 712156), (480, 534117), (720, 356078), (1440, 178039)]