1287600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 120

約数和(自身を含む): 4382160

約数和(自身を除く): 3094560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 37, 40, 48, 50, 58, 60, 74, 75, 80, 87, 100, 111, 116, 120, 145, 148, 150, 174, 185, 200, 222, 232, 240, 290, 296, 300, 348, 370, 400, 435, 444, 464, 555, 580, 592, 600, 696, 725, 740, 870, 888, 925, 1073, 1110, 1160, 1200, 1392, 1450, 1480, 1740, 1776, 1850, 2146, 2175, 2220, 2320, 2775, 2900, 2960, 3219, 3480, 3700, 4292, 4350, 4440, 5365, 5550, 5800, 6438, 6960, 7400, 8584, 8700, 8880, 10730, 11100, 11600, 12876, 14800, 16095, 17168, 17400, 21460, 22200, 25752, 26825, 32190, 34800, 42920, 44400, 51504, 53650, 64380, 80475, 85840, 107300, 128760, 160950, 214600, 257520, 321900, 429200, 643800, 1287600]

約数ペア:

[(1, 1287600), (2, 643800), (3, 429200), (4, 321900), (5, 257520), (6, 214600), (8, 160950), (10, 128760), (12, 107300), (15, 85840), (16, 80475), (20, 64380), (24, 53650), (25, 51504), (29, 44400), (30, 42920), (37, 34800), (40, 32190), (48, 26825), (50, 25752), (58, 22200), (60, 21460), (74, 17400), (75, 17168), (80, 16095), (87, 14800), (100, 12876), (111, 11600), (116, 11100), (120, 10730), (145, 8880), (148, 8700), (150, 8584), (174, 7400), (185, 6960), (200, 6438), (222, 5800), (232, 5550), (240, 5365), (290, 4440), (296, 4350), (300, 4292), (348, 3700), (370, 3480), (400, 3219), (435, 2960), (444, 2900), (464, 2775), (555, 2320), (580, 2220), (592, 2175), (600, 2146), (696, 1850), (725, 1776), (740, 1740), (870, 1480), (888, 1450), (925, 1392), (1073, 1200), (1110, 1160)]