80648960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{9001}}^1$

素因数の和:9029

約数の個数: 72

約数和(自身を含む): 220801056

約数和(自身を除く): 140152096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 9001, 18002, 36004, 45005, 63007, 72008, 90010, 126014, 144016, 180020, 252028, 288032, 315035, 360040, 504056, 576064, 630070, 720080, 1008112, 1152128, 1260140, 1440160, 2016224, 2304256, 2520280, 2880320, 4032448, 5040560, 5760640, 8064896, 10081120, 11521280, 16129792, 20162240, 40324480, 80648960]

約数ペア:

[(1, 80648960), (2, 40324480), (4, 20162240), (5, 16129792), (7, 11521280), (8, 10081120), (10, 8064896), (14, 5760640), (16, 5040560), (20, 4032448), (28, 2880320), (32, 2520280), (35, 2304256), (40, 2016224), (56, 1440160), (64, 1260140), (70, 1152128), (80, 1008112), (112, 720080), (128, 630070), (140, 576064), (160, 504056), (224, 360040), (256, 315035), (280, 288032), (320, 252028), (448, 180020), (560, 144016), (640, 126014), (896, 90010), (1120, 72008), (1280, 63007), (1792, 45005), (2240, 36004), (4480, 18002), (8960, 9001)]