321810880

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21397}}^1$

素因数の和:21461

約数の個数: 56

約数和(自身を含む): 782653248

約数和(自身を除く): 460842368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1504, 1880, 3008, 3760, 7520, 15040, 21397, 42794, 85588, 106985, 171176, 213970, 342352, 427940, 684704, 855880, 1005659, 1369408, 1711760, 2011318, 3423520, 4022636, 5028295, 6847040, 8045272, 10056590, 16090544, 20113180, 32181088, 40226360, 64362176, 80452720, 160905440, 321810880]

約数ペア:

[(1, 321810880), (2, 160905440), (4, 80452720), (5, 64362176), (8, 40226360), (10, 32181088), (16, 20113180), (20, 16090544), (32, 10056590), (40, 8045272), (47, 6847040), (64, 5028295), (80, 4022636), (94, 3423520), (160, 2011318), (188, 1711760), (235, 1369408), (320, 1005659), (376, 855880), (470, 684704), (752, 427940), (940, 342352), (1504, 213970), (1880, 171176), (3008, 106985), (3760, 85588), (7520, 42794), (15040, 21397)]