85875516

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{563}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 229931520

約数和(自身を除く): 144056004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 223, 228, 342, 446, 563, 669, 684, 892, 1126, 1338, 1689, 2007, 2252, 2676, 3378, 4014, 4237, 5067, 6756, 8028, 8474, 10134, 10697, 12711, 16948, 20268, 21394, 25422, 32091, 38133, 42788, 50844, 64182, 76266, 96273, 125549, 128364, 152532, 192546, 251098, 376647, 385092, 502196, 753294, 1129941, 1506588, 2259882, 2385431, 4519764, 4770862, 7156293, 9541724, 14312586, 21468879, 28625172, 42937758, 85875516]

約数ペア:

[(1, 85875516), (2, 42937758), (3, 28625172), (4, 21468879), (6, 14312586), (9, 9541724), (12, 7156293), (18, 4770862), (19, 4519764), (36, 2385431), (38, 2259882), (57, 1506588), (76, 1129941), (114, 753294), (171, 502196), (223, 385092), (228, 376647), (342, 251098), (446, 192546), (563, 152532), (669, 128364), (684, 125549), (892, 96273), (1126, 76266), (1338, 64182), (1689, 50844), (2007, 42788), (2252, 38133), (2676, 32091), (3378, 25422), (4014, 21394), (4237, 20268), (5067, 16948), (6756, 12711), (8028, 10697), (8474, 10134)]