87546280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2213}}^1$

素因数の和:2290

約数の個数: 64

約数和(自身を含む): 210418560

約数和(自身を除く): 122872280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 2213, 3956, 4426, 4945, 7912, 8852, 9890, 11065, 17704, 19780, 22130, 39560, 44260, 50899, 88520, 95159, 101798, 190318, 203596, 254495, 380636, 407192, 475795, 508990, 761272, 951590, 1017980, 1903180, 2035960, 2188657, 3806360, 4377314, 8754628, 10943285, 17509256, 21886570, 43773140, 87546280]

約数ペア:

[(1, 87546280), (2, 43773140), (4, 21886570), (5, 17509256), (8, 10943285), (10, 8754628), (20, 4377314), (23, 3806360), (40, 2188657), (43, 2035960), (46, 1903180), (86, 1017980), (92, 951590), (115, 761272), (172, 508990), (184, 475795), (215, 407192), (230, 380636), (344, 254495), (430, 203596), (460, 190318), (860, 101798), (920, 95159), (989, 88520), (1720, 50899), (1978, 44260), (2213, 39560), (3956, 22130), (4426, 19780), (4945, 17704), (7912, 11065), (8852, 9890)]