135001600

素因数分解:

$2^9\times 5^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 120

約数和(自身を含む): 342500400

約数和(自身を除く): 207498800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 128, 160, 199, 200, 212, 256, 265, 320, 398, 400, 424, 512, 530, 640, 796, 800, 848, 995, 1060, 1280, 1325, 1592, 1600, 1696, 1990, 2120, 2560, 2650, 3184, 3200, 3392, 3980, 4240, 4975, 5300, 6368, 6400, 6784, 7960, 8480, 9950, 10547, 10600, 12736, 12800, 13568, 15920, 16960, 19900, 21094, 21200, 25472, 27136, 31840, 33920, 39800, 42188, 42400, 50944, 52735, 63680, 67840, 79600, 84376, 84800, 101888, 105470, 127360, 135680, 159200, 168752, 169600, 210940, 254720, 263675, 318400, 337504, 339200, 421880, 509440, 527350, 636800, 675008, 678400, 843760, 1054700, 1273600, 1350016, 1687520, 2109400, 2547200, 2700032, 3375040, 4218800, 5400064, 6750080, 8437600, 13500160, 16875200, 27000320, 33750400, 67500800, 135001600]

約数ペア:

[(1, 135001600), (2, 67500800), (4, 33750400), (5, 27000320), (8, 16875200), (10, 13500160), (16, 8437600), (20, 6750080), (25, 5400064), (32, 4218800), (40, 3375040), (50, 2700032), (53, 2547200), (64, 2109400), (80, 1687520), (100, 1350016), (106, 1273600), (128, 1054700), (160, 843760), (199, 678400), (200, 675008), (212, 636800), (256, 527350), (265, 509440), (320, 421880), (398, 339200), (400, 337504), (424, 318400), (512, 263675), (530, 254720), (640, 210940), (796, 169600), (800, 168752), (848, 159200), (995, 135680), (1060, 127360), (1280, 105470), (1325, 101888), (1592, 84800), (1600, 84376), (1696, 79600), (1990, 67840), (2120, 63680), (2560, 52735), (2650, 50944), (3184, 42400), (3200, 42188), (3392, 39800), (3980, 33920), (4240, 31840), (4975, 27136), (5300, 25472), (6368, 21200), (6400, 21094), (6784, 19900), (7960, 16960), (8480, 15920), (9950, 13568), (10547, 12800), (10600, 12736)]