8887890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 24302592

約数和(自身を除く): 15414702

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1171, 1265, 1518, 2342, 2530, 3513, 3795, 5855, 7026, 7590, 11710, 12881, 17565, 25762, 26933, 35130, 38643, 53866, 64405, 77286, 80799, 128810, 134665, 161598, 193215, 269330, 296263, 386430, 403995, 592526, 807990, 888789, 1481315, 1777578, 2962630, 4443945, 8887890]

約数ペア:

[(1, 8887890), (2, 4443945), (3, 2962630), (5, 1777578), (6, 1481315), (10, 888789), (11, 807990), (15, 592526), (22, 403995), (23, 386430), (30, 296263), (33, 269330), (46, 193215), (55, 161598), (66, 134665), (69, 128810), (110, 80799), (115, 77286), (138, 64405), (165, 53866), (230, 38643), (253, 35130), (330, 26933), (345, 25762), (506, 17565), (690, 12881), (759, 11710), (1171, 7590), (1265, 7026), (1518, 5855), (2342, 3795), (2530, 3513)]