30180865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 45536256

約数和(自身を除く): 15355391

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 169, 187, 191, 221, 715, 845, 935, 955, 1105, 1859, 2101, 2431, 2483, 2873, 3247, 9295, 10505, 12155, 12415, 14365, 16235, 27313, 31603, 32279, 35717, 42211, 136565, 158015, 161395, 178585, 211055, 355069, 464321, 548743, 1775345, 2321605, 2743715, 6036173, 30180865]

約数ペア:

[(1, 30180865), (5, 6036173), (11, 2743715), (13, 2321605), (17, 1775345), (55, 548743), (65, 464321), (85, 355069), (143, 211055), (169, 178585), (187, 161395), (191, 158015), (221, 136565), (715, 42211), (845, 35717), (935, 32279), (955, 31603), (1105, 27313), (1859, 16235), (2101, 14365), (2431, 12415), (2483, 12155), (2873, 10505), (3247, 9295)]