64307200

素因数分解:

$2^{14}\times 5^2\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 90

約数和(自身を含む): 160492766

約数和(自身を除く): 96185566

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 157, 160, 200, 256, 314, 320, 400, 512, 628, 640, 785, 800, 1024, 1256, 1280, 1570, 1600, 2048, 2512, 2560, 3140, 3200, 3925, 4096, 5024, 5120, 6280, 6400, 7850, 8192, 10048, 10240, 12560, 12800, 15700, 16384, 20096, 20480, 25120, 25600, 31400, 40192, 40960, 50240, 51200, 62800, 80384, 81920, 100480, 102400, 125600, 160768, 200960, 204800, 251200, 321536, 401920, 409600, 502400, 643072, 803840, 1004800, 1286144, 1607680, 2009600, 2572288, 3215360, 4019200, 6430720, 8038400, 12861440, 16076800, 32153600, 64307200]

約数ペア:

[(1, 64307200), (2, 32153600), (4, 16076800), (5, 12861440), (8, 8038400), (10, 6430720), (16, 4019200), (20, 3215360), (25, 2572288), (32, 2009600), (40, 1607680), (50, 1286144), (64, 1004800), (80, 803840), (100, 643072), (128, 502400), (157, 409600), (160, 401920), (200, 321536), (256, 251200), (314, 204800), (320, 200960), (400, 160768), (512, 125600), (628, 102400), (640, 100480), (785, 81920), (800, 80384), (1024, 62800), (1256, 51200), (1280, 50240), (1570, 40960), (1600, 40192), (2048, 31400), (2512, 25600), (2560, 25120), (3140, 20480), (3200, 20096), (3925, 16384), (4096, 15700), (5024, 12800), (5120, 12560), (6280, 10240), (6400, 10048), (7850, 8192)]