68518400

素因数分解:

$2^9\times 5^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 120

約数和(自身を含む): 174675204

約数和(自身を除く): 106156804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 101, 106, 128, 160, 200, 202, 212, 256, 265, 320, 400, 404, 424, 505, 512, 530, 640, 800, 808, 848, 1010, 1060, 1280, 1325, 1600, 1616, 1696, 2020, 2120, 2525, 2560, 2650, 3200, 3232, 3392, 4040, 4240, 5050, 5300, 5353, 6400, 6464, 6784, 8080, 8480, 10100, 10600, 10706, 12800, 12928, 13568, 16160, 16960, 20200, 21200, 21412, 25856, 26765, 27136, 32320, 33920, 40400, 42400, 42824, 51712, 53530, 64640, 67840, 80800, 84800, 85648, 107060, 129280, 133825, 135680, 161600, 169600, 171296, 214120, 258560, 267650, 323200, 339200, 342592, 428240, 535300, 646400, 678400, 685184, 856480, 1070600, 1292800, 1370368, 1712960, 2141200, 2740736, 3425920, 4282400, 6851840, 8564800, 13703680, 17129600, 34259200, 68518400]

約数ペア:

[(1, 68518400), (2, 34259200), (4, 17129600), (5, 13703680), (8, 8564800), (10, 6851840), (16, 4282400), (20, 3425920), (25, 2740736), (32, 2141200), (40, 1712960), (50, 1370368), (53, 1292800), (64, 1070600), (80, 856480), (100, 685184), (101, 678400), (106, 646400), (128, 535300), (160, 428240), (200, 342592), (202, 339200), (212, 323200), (256, 267650), (265, 258560), (320, 214120), (400, 171296), (404, 169600), (424, 161600), (505, 135680), (512, 133825), (530, 129280), (640, 107060), (800, 85648), (808, 84800), (848, 80800), (1010, 67840), (1060, 64640), (1280, 53530), (1325, 51712), (1600, 42824), (1616, 42400), (1696, 40400), (2020, 33920), (2120, 32320), (2525, 27136), (2560, 26765), (2650, 25856), (3200, 21412), (3232, 21200), (3392, 20200), (4040, 16960), (4240, 16160), (5050, 13568), (5300, 12928), (5353, 12800), (6400, 10706), (6464, 10600), (6784, 10100), (8080, 8480)]