320762960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{572791}}^1$

素因数の和:572811

約数の個数: 40

約数和(自身を含む): 852314496

約数和(自身を除く): 531551536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 572791, 1145582, 2291164, 2863955, 4009537, 4582328, 5727910, 8019074, 9164656, 11455820, 16038148, 20047685, 22911640, 32076296, 40095370, 45823280, 64152592, 80190740, 160381480, 320762960]

約数ペア:

[(1, 320762960), (2, 160381480), (4, 80190740), (5, 64152592), (7, 45823280), (8, 40095370), (10, 32076296), (14, 22911640), (16, 20047685), (20, 16038148), (28, 11455820), (35, 9164656), (40, 8019074), (56, 5727910), (70, 4582328), (80, 4009537), (112, 2863955), (140, 2291164), (280, 1145582), (560, 572791)]