255219200

素因数分解:

$2^9\times 5^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 120

約数和(自身を含む): 641363712

約数和(自身を除く): 386144512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 157, 160, 200, 254, 256, 314, 320, 400, 508, 512, 628, 635, 640, 785, 800, 1016, 1256, 1270, 1280, 1570, 1600, 2032, 2512, 2540, 2560, 3140, 3175, 3200, 3925, 4064, 5024, 5080, 6280, 6350, 6400, 7850, 8128, 10048, 10160, 12560, 12700, 12800, 15700, 16256, 19939, 20096, 20320, 25120, 25400, 31400, 32512, 39878, 40192, 40640, 50240, 50800, 62800, 65024, 79756, 80384, 81280, 99695, 100480, 101600, 125600, 159512, 162560, 199390, 200960, 203200, 251200, 319024, 325120, 398780, 401920, 406400, 498475, 502400, 638048, 797560, 812800, 996950, 1004800, 1276096, 1595120, 1625600, 1993900, 2009600, 2552192, 3190240, 3987800, 5104384, 6380480, 7975600, 10208768, 12760960, 15951200, 25521920, 31902400, 51043840, 63804800, 127609600, 255219200]

約数ペア:

[(1, 255219200), (2, 127609600), (4, 63804800), (5, 51043840), (8, 31902400), (10, 25521920), (16, 15951200), (20, 12760960), (25, 10208768), (32, 7975600), (40, 6380480), (50, 5104384), (64, 3987800), (80, 3190240), (100, 2552192), (127, 2009600), (128, 1993900), (157, 1625600), (160, 1595120), (200, 1276096), (254, 1004800), (256, 996950), (314, 812800), (320, 797560), (400, 638048), (508, 502400), (512, 498475), (628, 406400), (635, 401920), (640, 398780), (785, 325120), (800, 319024), (1016, 251200), (1256, 203200), (1270, 200960), (1280, 199390), (1570, 162560), (1600, 159512), (2032, 125600), (2512, 101600), (2540, 100480), (2560, 99695), (3140, 81280), (3175, 80384), (3200, 79756), (3925, 65024), (4064, 62800), (5024, 50800), (5080, 50240), (6280, 40640), (6350, 40192), (6400, 39878), (7850, 32512), (8128, 31400), (10048, 25400), (10160, 25120), (12560, 20320), (12700, 20096), (12800, 19939), (15700, 16256)]