321224960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{35851}}^1$

素因数の和:35879

約数の個数: 72

約数和(自身を含む): 879377856

約数和(自身を除く): 558152896

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, 35851, 71702, 143404, 179255, 250957, 286808, 358510, 501914, 573616, 717020, 1003828, 1147232, 1254785, 1434040, 2007656, 2294464, 2509570, 2868080, 4015312, 4588928, 5019140, 5736160, 8030624, 9177856, 10038280, 11472320, 16061248, 20076560, 22944640, 32122496, 40153120, 45889280, 64244992, 80306240, 160612480, 321224960]

約数ペア:

[(1, 321224960), (2, 160612480), (4, 80306240), (5, 64244992), (7, 45889280), (8, 40153120), (10, 32122496), (14, 22944640), (16, 20076560), (20, 16061248), (28, 11472320), (32, 10038280), (35, 9177856), (40, 8030624), (56, 5736160), (64, 5019140), (70, 4588928), (80, 4015312), (112, 2868080), (128, 2509570), (140, 2294464), (160, 2007656), (224, 1434040), (256, 1254785), (280, 1147232), (320, 1003828), (448, 717020), (560, 573616), (640, 501914), (896, 358510), (1120, 286808), (1280, 250957), (1792, 179255), (2240, 143404), (4480, 71702), (8960, 35851)]