321280800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:795

約数の個数: 144

約数和(自身を含む): 1051807680

約数和(自身を除く): 730526880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 263, 300, 400, 480, 509, 526, 600, 789, 800, 1018, 1052, 1200, 1315, 1527, 1578, 2036, 2104, 2400, 2545, 2630, 3054, 3156, 3945, 4072, 4208, 5090, 5260, 6108, 6312, 6575, 7635, 7890, 8144, 8416, 10180, 10520, 12216, 12624, 12725, 13150, 15270, 15780, 16288, 19725, 20360, 21040, 24432, 25248, 25450, 26300, 30540, 31560, 38175, 39450, 40720, 42080, 48864, 50900, 52600, 61080, 63120, 76350, 78900, 81440, 101800, 105200, 122160, 126240, 133867, 152700, 157800, 203600, 210400, 244320, 267734, 305400, 315600, 401601, 407200, 535468, 610800, 631200, 669335, 803202, 1070936, 1221600, 1338670, 1606404, 2008005, 2141872, 2677340, 3212808, 3346675, 4016010, 4283744, 5354680, 6425616, 6693350, 8032020, 10040025, 10709360, 12851232, 13386700, 16064040, 20080050, 21418720, 26773400, 32128080, 40160100, 53546800, 64256160, 80320200, 107093600, 160640400, 321280800]

約数ペア:

[(1, 321280800), (2, 160640400), (3, 107093600), (4, 80320200), (5, 64256160), (6, 53546800), (8, 40160100), (10, 32128080), (12, 26773400), (15, 21418720), (16, 20080050), (20, 16064040), (24, 13386700), (25, 12851232), (30, 10709360), (32, 10040025), (40, 8032020), (48, 6693350), (50, 6425616), (60, 5354680), (75, 4283744), (80, 4016010), (96, 3346675), (100, 3212808), (120, 2677340), (150, 2141872), (160, 2008005), (200, 1606404), (240, 1338670), (263, 1221600), (300, 1070936), (400, 803202), (480, 669335), (509, 631200), (526, 610800), (600, 535468), (789, 407200), (800, 401601), (1018, 315600), (1052, 305400), (1200, 267734), (1315, 244320), (1527, 210400), (1578, 203600), (2036, 157800), (2104, 152700), (2400, 133867), (2545, 126240), (2630, 122160), (3054, 105200), (3156, 101800), (3945, 81440), (4072, 78900), (4208, 76350), (5090, 63120), (5260, 61080), (6108, 52600), (6312, 50900), (6575, 48864), (7635, 42080), (7890, 40720), (8144, 39450), (8416, 38175), (10180, 31560), (10520, 30540), (12216, 26300), (12624, 25450), (12725, 25248), (13150, 24432), (15270, 21040), (15780, 20360), (16288, 19725)]