257520

素因数分解:

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

素因数の和:82

約数の個数: 80

約数和(自身を含む): 848160

約数和(自身を除く): 590640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 37, 40, 48, 58, 60, 74, 80, 87, 111, 116, 120, 145, 148, 174, 185, 222, 232, 240, 290, 296, 348, 370, 435, 444, 464, 555, 580, 592, 696, 740, 870, 888, 1073, 1110, 1160, 1392, 1480, 1740, 1776, 2146, 2220, 2320, 2960, 3219, 3480, 4292, 4440, 5365, 6438, 6960, 8584, 8880, 10730, 12876, 16095, 17168, 21460, 25752, 32190, 42920, 51504, 64380, 85840, 128760, 257520]

約数ペア:

[(1, 257520), (2, 128760), (3, 85840), (4, 64380), (5, 51504), (6, 42920), (8, 32190), (10, 25752), (12, 21460), (15, 17168), (16, 16095), (20, 12876), (24, 10730), (29, 8880), (30, 8584), (37, 6960), (40, 6438), (48, 5365), (58, 4440), (60, 4292), (74, 3480), (80, 3219), (87, 2960), (111, 2320), (116, 2220), (120, 2146), (145, 1776), (148, 1740), (174, 1480), (185, 1392), (222, 1160), (232, 1110), (240, 1073), (290, 888), (296, 870), (348, 740), (370, 696), (435, 592), (444, 580), (464, 555)]