72976000

素因数分解:

$2^7\times 5^3\times {\mathrm{4561}}^1$

素因数の和:4590

約数の個数: 64

約数和(自身を含む): 181476360

約数和(自身を除く): 108500360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 4561, 8000, 9122, 16000, 18244, 22805, 36488, 45610, 72976, 91220, 114025, 145952, 182440, 228050, 291904, 364880, 456100, 570125, 583808, 729760, 912200, 1140250, 1459520, 1824400, 2280500, 2919040, 3648800, 4561000, 7297600, 9122000, 14595200, 18244000, 36488000, 72976000]

約数ペア:

[(1, 72976000), (2, 36488000), (4, 18244000), (5, 14595200), (8, 9122000), (10, 7297600), (16, 4561000), (20, 3648800), (25, 2919040), (32, 2280500), (40, 1824400), (50, 1459520), (64, 1140250), (80, 912200), (100, 729760), (125, 583808), (128, 570125), (160, 456100), (200, 364880), (250, 291904), (320, 228050), (400, 182440), (500, 145952), (640, 114025), (800, 91220), (1000, 72976), (1600, 45610), (2000, 36488), (3200, 22805), (4000, 18244), (4561, 16000), (8000, 9122)]