320790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 839952

約数和(自身を除く): 519162

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 37, 51, 74, 85, 102, 111, 170, 185, 222, 255, 289, 370, 510, 555, 578, 629, 867, 1110, 1258, 1445, 1734, 1887, 2890, 3145, 3774, 4335, 6290, 8670, 9435, 10693, 18870, 21386, 32079, 53465, 64158, 106930, 160395, 320790]

約数ペア:

[(1, 320790), (2, 160395), (3, 106930), (5, 64158), (6, 53465), (10, 32079), (15, 21386), (17, 18870), (30, 10693), (34, 9435), (37, 8670), (51, 6290), (74, 4335), (85, 3774), (102, 3145), (111, 2890), (170, 1887), (185, 1734), (222, 1445), (255, 1258), (289, 1110), (370, 867), (510, 629), (555, 578)]