128206440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{356129}}^1$

素因数の和:356146

約数の個数: 48

約数和(自身を含む): 416672100

約数和(自身を除く): 288465660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 356129, 712258, 1068387, 1424516, 1780645, 2136774, 2849032, 3205161, 3561290, 4273548, 5341935, 6410322, 7122580, 8547096, 10683870, 12820644, 14245160, 16025805, 21367740, 25641288, 32051610, 42735480, 64103220, 128206440]

約数ペア:

[(1, 128206440), (2, 64103220), (3, 42735480), (4, 32051610), (5, 25641288), (6, 21367740), (8, 16025805), (9, 14245160), (10, 12820644), (12, 10683870), (15, 8547096), (18, 7122580), (20, 6410322), (24, 5341935), (30, 4273548), (36, 3561290), (40, 3205161), (45, 2849032), (60, 2136774), (72, 1780645), (90, 1424516), (120, 1068387), (180, 712258), (360, 356129)]