145932800

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:918

約数の個数: 120

約数和(自身を含む): 389816196

約数和(自身を除く): 243883396

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 877, 1040, 1280, 1300, 1600, 1664, 1754, 2080, 2560, 2600, 3200, 3328, 3508, 4160, 4385, 5200, 6400, 6656, 7016, 8320, 8770, 10400, 11401, 12800, 14032, 16640, 17540, 20800, 21925, 22802, 28064, 33280, 35080, 41600, 43850, 45604, 56128, 57005, 70160, 83200, 87700, 91208, 112256, 114010, 140320, 166400, 175400, 182416, 224512, 228020, 280640, 285025, 350800, 364832, 449024, 456040, 561280, 570050, 701600, 729664, 912080, 1122560, 1140100, 1403200, 1459328, 1824160, 2245120, 2280200, 2806400, 2918656, 3648320, 4560400, 5612800, 5837312, 7296640, 9120800, 11225600, 14593280, 18241600, 29186560, 36483200, 72966400, 145932800]

約数ペア:

[(1, 145932800), (2, 72966400), (4, 36483200), (5, 29186560), (8, 18241600), (10, 14593280), (13, 11225600), (16, 9120800), (20, 7296640), (25, 5837312), (26, 5612800), (32, 4560400), (40, 3648320), (50, 2918656), (52, 2806400), (64, 2280200), (65, 2245120), (80, 1824160), (100, 1459328), (104, 1403200), (128, 1140100), (130, 1122560), (160, 912080), (200, 729664), (208, 701600), (256, 570050), (260, 561280), (320, 456040), (325, 449024), (400, 364832), (416, 350800), (512, 285025), (520, 280640), (640, 228020), (650, 224512), (800, 182416), (832, 175400), (877, 166400), (1040, 140320), (1280, 114010), (1300, 112256), (1600, 91208), (1664, 87700), (1754, 83200), (2080, 70160), (2560, 57005), (2600, 56128), (3200, 45604), (3328, 43850), (3508, 41600), (4160, 35080), (4385, 33280), (5200, 28064), (6400, 22802), (6656, 21925), (7016, 20800), (8320, 17540), (8770, 16640), (10400, 14032), (11401, 12800)]