72966400

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:916

約数の個数: 108

約数和(自身を含む): 194717572

約数和(自身を除く): 121751172

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, 520, 640, 650, 800, 832, 877, 1040, 1280, 1300, 1600, 1664, 1754, 2080, 2600, 3200, 3328, 3508, 4160, 4385, 5200, 6400, 7016, 8320, 8770, 10400, 11401, 14032, 16640, 17540, 20800, 21925, 22802, 28064, 35080, 41600, 43850, 45604, 56128, 57005, 70160, 83200, 87700, 91208, 112256, 114010, 140320, 175400, 182416, 224512, 228020, 280640, 285025, 350800, 364832, 456040, 561280, 570050, 701600, 729664, 912080, 1122560, 1140100, 1403200, 1459328, 1824160, 2280200, 2806400, 2918656, 3648320, 4560400, 5612800, 7296640, 9120800, 14593280, 18241600, 36483200, 72966400]

約数ペア:

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