128623830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{2963}}^1$

素因数の和:4420

約数の個数: 32

約数和(自身を含む): 309014784

約数和(自身を除く): 180390954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1447, 2894, 2963, 4341, 5926, 7235, 8682, 8889, 14470, 14815, 17778, 21705, 29630, 43410, 44445, 88890, 4287461, 8574922, 12862383, 21437305, 25724766, 42874610, 64311915, 128623830]

約数ペア:

[(1, 128623830), (2, 64311915), (3, 42874610), (5, 25724766), (6, 21437305), (10, 12862383), (15, 8574922), (30, 4287461), (1447, 88890), (2894, 44445), (2963, 43410), (4341, 29630), (5926, 21705), (7235, 17778), (8682, 14815), (8889, 14470)]