72780800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{2843}}^1$

素因数の和:2873

約数の個数: 66

約数和(自身を含む): 180471708

約数和(自身を除く): 107690908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 2843, 3200, 5120, 5686, 6400, 11372, 12800, 14215, 22744, 25600, 28430, 45488, 56860, 71075, 90976, 113720, 142150, 181952, 227440, 284300, 363904, 454880, 568600, 727808, 909760, 1137200, 1455616, 1819520, 2274400, 2911232, 3639040, 4548800, 7278080, 9097600, 14556160, 18195200, 36390400, 72780800]

約数ペア:

[(1, 72780800), (2, 36390400), (4, 18195200), (5, 14556160), (8, 9097600), (10, 7278080), (16, 4548800), (20, 3639040), (25, 2911232), (32, 2274400), (40, 1819520), (50, 1455616), (64, 1137200), (80, 909760), (100, 727808), (128, 568600), (160, 454880), (200, 363904), (256, 284300), (320, 227440), (400, 181952), (512, 142150), (640, 113720), (800, 90976), (1024, 71075), (1280, 56860), (1600, 45488), (2560, 28430), (2843, 25600), (3200, 22744), (5120, 14215), (5686, 12800), (6400, 11372)]