321900

素因数分解:

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

素因数の和:83

約数の個数: 72

約数和(自身を含む): 989520

約数和(自身を除く): 667620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 37, 50, 58, 60, 74, 75, 87, 100, 111, 116, 145, 148, 150, 174, 185, 222, 290, 300, 348, 370, 435, 444, 555, 580, 725, 740, 870, 925, 1073, 1110, 1450, 1740, 1850, 2146, 2175, 2220, 2775, 2900, 3219, 3700, 4292, 4350, 5365, 5550, 6438, 8700, 10730, 11100, 12876, 16095, 21460, 26825, 32190, 53650, 64380, 80475, 107300, 160950, 321900]

約数ペア:

[(1, 321900), (2, 160950), (3, 107300), (4, 80475), (5, 64380), (6, 53650), (10, 32190), (12, 26825), (15, 21460), (20, 16095), (25, 12876), (29, 11100), (30, 10730), (37, 8700), (50, 6438), (58, 5550), (60, 5365), (74, 4350), (75, 4292), (87, 3700), (100, 3219), (111, 2900), (116, 2775), (145, 2220), (148, 2175), (150, 2146), (174, 1850), (185, 1740), (222, 1450), (290, 1110), (300, 1073), (348, 925), (370, 870), (435, 740), (444, 725), (555, 580)]