1561600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{61}}^1$

素因数の和:91

約数の個数: 66

約数和(自身を含む): 3934334

約数和(自身を除く): 2372734

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 256, 305, 320, 400, 488, 512, 610, 640, 800, 976, 1024, 1220, 1280, 1525, 1600, 1952, 2440, 2560, 3050, 3200, 3904, 4880, 5120, 6100, 6400, 7808, 9760, 12200, 12800, 15616, 19520, 24400, 25600, 31232, 39040, 48800, 62464, 78080, 97600, 156160, 195200, 312320, 390400, 780800, 1561600]

約数ペア:

[(1, 1561600), (2, 780800), (4, 390400), (5, 312320), (8, 195200), (10, 156160), (16, 97600), (20, 78080), (25, 62464), (32, 48800), (40, 39040), (50, 31232), (61, 25600), (64, 24400), (80, 19520), (100, 15616), (122, 12800), (128, 12200), (160, 9760), (200, 7808), (244, 6400), (256, 6100), (305, 5120), (320, 4880), (400, 3904), (488, 3200), (512, 3050), (610, 2560), (640, 2440), (800, 1952), (976, 1600), (1024, 1525), (1220, 1280)]